Free Online Tools

Image Resizer

Resize images by pixels, percentage, or popular social media presets.

Open tool

Image Cropper

Crop images freely or lock to fixed aspect ratios.

Open tool

Rotate & Flip Image

Rotate images by any angle or flip them horizontally and vertically.

Open tool

Photo Editor

Adjust brightness, contrast, saturation, warmth, and filters in your browser.

Open tool

Image Watermark Adder

Add text or a logo watermark to photos with position and opacity controls.

Open tool

Passport Photo Maker

Crop photos to official passport sizes and build a printable photo sheet.

Open tool

EXIF Viewer & Remover

Inspect photo metadata or strip EXIF, GPS, and camera data.

Open tool

Photo Collage Maker

Combine photos into a clean grid collage and download it as one image.

Open tool

Add Text to Image

Write captions, memes, and labels directly onto an image.

Open tool

Circle Image Cropper

Crop any photo into a round profile picture with a transparent background.

Open tool

Image Splitter

Split a photo into a grid for Instagram carousels and puzzles.

Open tool

Text to Handwriting

Turn typed text into a realistic handwriting-style image.

Open tool

Image Border Generator

Add solid, dashed, or double borders around any image.

Open tool

Image Rounded Corner Tool

Round image corners and export a transparent PNG.

Open tool

Image Pixelator

Pixelate a whole image or blur sensitive areas with adjustable blocks.

Open tool

Image Grayscale Converter

Convert photos to black and white with contrast control.

Open tool

Image Color Inverter

Invert image colors for negatives and creative effects.

Open tool

Image DPI Converter

Change the DPI metadata of an image for print requirements.

Open tool

Image Format Converter

Convert JPG, PNG, WebP, AVIF, GIF, BMP, ICO, and SVG images right in your browser. No uploads, no sign-up.

Open tool

Image Compressor

Shrink JPG, PNG, and WebP images for the web while keeping them sharp and clear.

Open tool

Favicon Generator

Turn any image into a complete favicon set, including favicon.ico and every PNG size modern devices need.

Open tool

Base64 Encoder / Decoder

Encode text or images to Base64 and decode Base64 back to readable text or files in seconds.

Open tool

Image Color Picker

Upload an image and click anywhere to get the exact HEX, RGB, and HSL color codes.

Open tool

Device Mockup Generator

Place a screenshot inside an iPhone, iPad, MacBook, or browser frame and download a polished PNG.

Open tool

SVG to PNG Converter

Rasterize SVG files into high-quality PNG images with your chosen size and background.

Open tool

HEIC to JPG Converter

Convert iPhone HEIC photos to JPG or PNG right in your browser.

Open tool

WebP to PNG / JPG Converter

Convert WebP images to standard PNG or JPG files for editing and sharing.

Open tool

Social Media Image Size Guide

Current image dimensions for every major social platform.

Open tool

CSS Gradient Generator

Design linear or radial gradients visually and copy the ready-to-use CSS.

Open tool

CSS Box Shadow Generator

Craft the perfect shadow with sliders, then copy the exact CSS.

Open tool

CSS Button Generator

Design a button visually and copy the exact CSS for your project.

Open tool

CSS Triangle Generator

Generate pure CSS triangles and arrows with the right border widths.

Open tool

Table Generator

Build a table visually and export clean HTML or Markdown.

Open tool

CSS Flexbox & Grid Builder

Build a flexbox or grid layout visually, reorder items, and copy the generated CSS.

Open tool

Color Palette Generator

Create complementary, analogous, triadic, and monochromatic palettes from one HEX color.

Open tool

QR Code Generator

Create custom QR codes for links, text, email, phone, and Wi-Fi—then download a high-resolution PNG.

Open tool

URL Shortener

Create short, memorable links with custom aliases, QR codes, click tracking, and optional password protection.

Open tool

Fancy Text Generator

Turn plain text into cursive, bold, and aesthetic Unicode fonts for social profiles.

Open tool

Invisible Character Copier

Copy a truly blank Unicode character for empty usernames, comments, and messages.

Open tool

Zalgo Text Generator

Add corrupted, glitchy symbols above and below your text for memes and gaming profiles.

Open tool

Instagram Bio Generator

Create short, niche-based Instagram bios from templates.

Open tool

Hashtag Generator

Generate keyword-based hashtag sets for social media posts.

Open tool

Username Generator

Generate unique usernames for gaming, social, and professional profiles.

Open tool

Business Name Generator

Generate brandable business name ideas from a keyword.

Open tool

Baby Name Generator

Discover baby names filtered by origin, gender, and style.

Open tool

UTM Link Builder

Build campaign URLs with UTM parameters for accurate tracking.

Open tool

Meta Tag & Open Graph Generator

Generate SEO, Open Graph, and Twitter card tags for any page.

Open tool

Schema Markup Generator

Create JSON-LD schema for FAQ, article, product, and local business.

Open tool

SERP Snippet Preview

Preview how your title and description may appear in Google search.

Open tool

Keyword Density Checker

Analyze keyword usage, density, and phrase frequency in your copy.

Open tool

Meta Tag Analyzer

Inspect title, description, canonical, robots, and social tags on a page.

Open tool

Broken Link Checker

Scan a webpage for broken links and HTTP errors.

Open tool

Redirect Checker

Trace a URL redirect chain and inspect status codes.

Open tool

Open Graph Preview

Preview how a page looks when shared on social platforms.

Open tool

HTML Sitemap Generator

Turn a list of URLs into a clean HTML sitemap.

Open tool

Website Word Counter

Count words, characters, and reading time from a webpage.

Open tool

Website Screenshot Tool

Capture a preview screenshot of any public webpage.

Open tool

Website Link Extractor

Extract all links from a webpage and export them.

Open tool

JWT Decoder

Decode a JWT header and payload without verifying the signature.

Open tool

UUID Generator

Generate UUID v1 and v4 values individually or in bulk.

Open tool

JSON to YAML Converter

Convert JSON to YAML or YAML to JSON in both directions.

Open tool

SQL Formatter

Beautify messy SQL queries with configurable indentation.

Open tool

HTML Beautifier

Format messy HTML with clean indentation and line breaks.

Open tool

Color Converter

Convert colors between HEX, RGB, HSL, and CMYK formats.

Open tool

CSS Glassmorphism Generator

Create frosted-glass CSS with blur, transparency, and border controls.

Open tool

CSS Clip-Path Generator

Design polygon clip-paths visually and copy the CSS.

Open tool

CSS Border Radius Generator

Create rounded and blob-shaped corners with a live preview.

Open tool

Number Base Converter

Convert numbers between binary, octal, decimal, and hexadecimal.

Open tool

HTML Entity Encoder / Decoder

Escape and unescape HTML special characters safely.

Open tool

Chmod Calculator

Build Unix file permissions and copy chmod values.

Open tool

XML Formatter & Validator

Format, validate, and convert XML to JSON.

Open tool

YAML Validator

Check YAML syntax and see clear error locations.

Open tool

HTML to Markdown Converter

Convert HTML into clean Markdown for docs and README files.

Open tool

User Agent Parser

Detect browser, operating system, device, and engine from a user agent.

Open tool

Fake Data Generator

Generate names, emails, addresses, and test records for development.

Open tool

Barcode Generator

Create Code 128, EAN, UPC, and other barcodes as images.

Open tool

Emoji Picker

Search thousands of emojis and copy them in one click.

Open tool

Online Notepad

A distraction-free notepad that saves automatically in your browser.

Open tool

JavaScript Formatter

Beautify or minify JavaScript with configurable indentation.

Open tool

CSS Formatter

Format and minify CSS stylesheets with clean indentation.

Open tool

ULID Generator

Generate sortable ULIDs individually or in bulk.

Open tool

URL Parser

Break any URL into protocol, host, path, query, and fragment parts.

Open tool

JavaScript Escape Tool

Escape and unescape strings for JavaScript source code.

Open tool

SQL Escape Tool

Escape strings for safe use in SQL queries.

Open tool

JSON Schema Validator

Validate JSON documents against a JSON Schema.

Open tool

API Response Viewer

Inspect JSON API responses, status, headers, and timing.

Open tool

cURL Converter

Convert cURL commands into fetch, Axios, PHP, and Python code.

Open tool

Lorem Ipsum Generator

Generate clean placeholder text for wireframes, mockups, and design layouts.

Open tool

JSON Formatter & Validator

Paste messy JSON to format, validate, minify, and inspect it instantly.

Open tool

Strong Password Generator

Create strong, random passwords with your choice of length, numbers, and symbols.

Open tool

Markdown to HTML Converter

Write Markdown on one side and get a live preview plus clean HTML on the other.

Open tool

Word & Character Counter

Count words, characters, sentences, and paragraphs—and see keyword density as you type.

Open tool

Case Converter

Turn any text into UPPERCASE, lowercase, Title Case, camelCase, snake_case, and more.

Open tool

List Sorter & Deduplicator

Alphabetize, reverse, sort numerically, and remove duplicate lines from any list.

Open tool

CSV to JSON Converter

Paste CSV data and get clean, formatted JSON in seconds—with header and type options.

Open tool

Robots.txt Generator

Create a valid robots.txt file to control how search engines crawl your site.

Open tool

.htaccess Generator

Generate safe Apache rewrite rules for HTTPS, redirects, and IP blocking.

Open tool

XML Sitemap Generator

Turn a list of URLs into a clean XML sitemap for Google Search Console.

Open tool

Hash Generator

Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes from any text.

Open tool

Password Strength Meter

Test a password for length, entropy, patterns, and common dictionary words.

Open tool

Code Minifier

Minify HTML, CSS, and JavaScript to reduce file size for faster pages.

Open tool

Regex Tester

Test regular expressions against sample text with live match highlighting.

Open tool

Color Contrast Checker

Check text and background colors against WCAG contrast requirements.

Open tool

What Is My Screen Resolution?

See your screen resolution, viewport size, pixel ratio, and color depth instantly.

Open tool

Cron Job Generator

Build Cron expressions visually and get a plain-English schedule.

Open tool

Remove Line Breaks & Extra Spaces

Clean text by removing line breaks, tabs, and repeated spaces.

Open tool

Text Repeater

Repeat any text a set number of times with a custom separator.

Open tool

Find & Replace Text

Replace words or patterns, with optional regular expression support.

Open tool

Reverse Text

Reverse characters, words, or lines in any block of text.

Open tool

Upside Down Text

Flip text upside down using Unicode characters.

Open tool

Slug Generator

Create clean, URL-friendly slugs from titles and phrases.

Open tool

Number to Words

Convert numbers into words for cheques, invoices, and documents.

Open tool

Word Frequency Counter

Find the most-used words and phrases in any text.

Open tool

Duplicate Line Remover

Remove duplicate lines and keep the first occurrence.

Open tool

Text to ASCII Converter

Convert text to ASCII codes and back.

Open tool

Unicode Inspector

Inspect characters, code points, UTF-8 bytes, and names.

Open tool

Text Compare & Diff Checker

Compare two texts side by side and highlight additions, deletions, and changes.

Open tool

URL Encoder / Decoder

Encode text for URLs or decode percent-encoded links back into readable text.

Open tool

JSON to CSV Converter

Flatten nested JSON into a clean CSV spreadsheet ready for Excel or Google Sheets.

Open tool

Binary Translator

Convert text to binary code and binary back to readable text.

Open tool

Morse Code Translator & Player

Translate text to Morse code, decode Morse, and play the audio sequence.

Open tool

Readability Score Checker

Check the grade level and reading ease of your writing with standard formulas.

Open tool

SIP Calculator

Project mutual fund SIP returns with monthly investments and step-ups.

Open tool

Loan Calculator

Calculate monthly payments, total interest, and payoff for any loan.

Open tool

Savings Goal Calculator

Find how long or how much to save to reach a target amount.

Open tool

Retirement Calculator

Project your nest egg and monthly retirement income.

Open tool

Inflation Calculator

See how inflation changes the value of money over time.

Open tool

VAT / GST Calculator

Add or remove VAT and GST from prices with clear breakdowns.

Open tool

Discount Calculator

Calculate sale price, savings, and the original price after a discount.

Open tool

ROI Calculator

Measure return on investment and annualized performance.

Open tool

Break-Even Calculator

Find the units and revenue needed to cover your costs.

Open tool

Credit Card Payoff Calculator

Estimate payoff time and interest for a credit card balance.

Open tool

Scientific Calculator

A full-function scientific calculator with history and keyboard input.

Open tool

Fraction Calculator

Add, subtract, multiply, and divide fractions with steps.

Open tool

Average, Median & Mode Calculator

Calculate mean, median, mode, range, and totals from a list.

Open tool

Standard Deviation Calculator

Calculate population and sample standard deviation with working.

Open tool

Prime Number Checker & Factorizer

Test primality and find prime factors of any number.

Open tool

LCM & GCF Calculator

Find the least common multiple and greatest common factor with steps.

Open tool

Profit Margin Calculator

Calculate gross margin, net margin, markup, and profit.

Open tool

Sales Tax Calculator

Add or remove sales tax and see the tax breakdown.

Open tool

Net Worth Calculator

Add assets and liabilities to calculate your net worth.

Open tool

Loan Comparison Calculator

Compare monthly payments and total interest across multiple loans.

Open tool

Commission Calculator

Calculate sales commission from revenue and commission rate.

Open tool

Scientific Notation Converter

Convert numbers to and from scientific notation.

Open tool

Quadratic Equation Solver

Solve quadratic equations with steps and imaginary roots.

Open tool

Pythagorean Theorem Calculator

Find a missing triangle side using the Pythagorean theorem.

Open tool

Triangle Calculator

Solve triangle sides, angles, area, and perimeter.

Open tool

Circle Calculator

Calculate radius, diameter, circumference, and area.

Open tool

Unit Price Calculator

Compare products by price per unit, ounce, gram, or liter.

Open tool

EMI Calculator

Work out your monthly loan instalment, total interest, and total repayment in seconds.

Open tool

Compound Interest Calculator

See how your savings grow over time with the power of compounding.

Open tool

Mortgage Calculator

Estimate your full monthly home payment, including taxes, insurance, HOA, and PMI.

Open tool

BMI Calculator

Check your body mass index in metric or imperial units and see your healthy weight range.

Open tool

Daily Calorie Calculator

Find your maintenance calories and a sensible target for losing, maintaining, or gaining weight.

Open tool

Percentage Calculator

Solve “X% of Y”, percentage increase, decrease, and discount questions instantly.

Open tool

Hourly to Salary Calculator

Convert an hourly wage into weekly, monthly, and annual salary—or work backwards.

Open tool

Margin & Markup Calculator

Calculate profit, margin, and markup from cost and selling price.

Open tool

Tip Calculator

Work out the tip, total bill, and amount per person for any group size.

Open tool

Aspect Ratio Calculator

Find the ratio of any width and height, or calculate a missing dimension.

Open tool

Pregnancy Due Date Calculator

Estimate your due date and current trimester from your last period.

Open tool

Payment Gateway Fee Calculator

See exactly what Stripe, PayPal, and other payment processors take from a transaction.

Open tool

Paycheck & Tax Calculator

Estimate take-home pay from gross salary using federal tax brackets and FICA.

Open tool

Pizza Party Calculator

Work out how many pizzas to order for adults, children, and serious appetites.

Open tool

Roofing & Flooring Calculator

Estimate tiles, shingles, or flooring packs from room dimensions and waste.

Open tool

Fuel Cost Calculator

Estimate the fuel cost of a road trip from distance, efficiency, and gas price.

Open tool

Auto Loan Payment Calculator

Calculate your monthly car payment from price, down payment, trade-in, and rate.

Open tool

Amortization Schedule Generator

See a month-by-month breakdown of principal, interest, and remaining balance.

Open tool

Roman Numeral Converter

Convert numbers to Roman numerals and Roman numerals back to numbers.

Open tool

Time Calculator

Add or subtract hours, minutes, and seconds.

Open tool

Business Days Calculator

Count working days between dates and add business days.

Open tool

Date Add/Subtract Calculator

Add or subtract days, weeks, months, or years from a date.

Open tool

Week Number Calculator

Find the ISO week number and date range for any date.

Open tool

Time Duration Calculator

Calculate the exact duration between two clock times.

Open tool

Overtime Calculator

Calculate regular pay, overtime pay, and total earnings.

Open tool

Work Hours Calculator

Calculate total working hours from start, end, and break times.

Open tool

Time Card Calculator

Build a weekly time card and calculate hours per day.

Open tool

Date Format Converter

Convert dates between ISO, US, European, and custom formats.

Open tool

Calendar Generator

Generate and print clean monthly or yearly calendars.

Open tool

Time Zone Converter

Plan meetings across the world by converting a time from one time zone to another.

Open tool

Days Between Dates

Count the days, weeks, months, and working days between any two dates.

Open tool

Age Calculator

Find your exact age in years, months, and days—plus your next birthday countdown.

Open tool

Unix Timestamp Converter

Convert between Unix timestamps and human-readable dates, with live clock support.

Open tool

Pomodoro Timer

Stay focused with a 25-minute work timer and short breaks.

Open tool

Meeting Time Zone Planner

Compare multiple cities and find overlapping business hours for meetings.

Open tool

Online Alarm Clock & Stopwatch

Set a browser alarm or run a precise stopwatch with lap times.

Open tool

Custom Countdown Timer

Create a shareable full-screen countdown for birthdays, launches, and events.

Open tool

Age Difference Calculator

Compare two birth dates and see the exact difference in years, months, days, and hours.

Open tool

Unit Converter

Convert length, weight, temperature, speed, area, volume, and data units.

Open tool

Currency Converter

Convert between world currencies using live exchange rates.

Open tool

Cooking Measurement Converter

Convert cups, grams, tablespoons, milliliters, and scale recipe portions.

Open tool

Final Grade Calculator

Find the score you need on the final exam to reach your target grade.

Open tool

GPA Calculator

Calculate semester or cumulative GPA from course credits and grades.

Open tool

Anagram Solver & Word Unscrambler

Enter scrambled letters and find valid dictionary words for word games.

Open tool

Citation & Bibliography Generator

Format books, websites, and articles in APA, MLA, or Chicago style.

Open tool

Title Case Converter

Capitalize headlines correctly using AP, Chicago, MLA, or APA title-case rules.

Open tool

Syllable Counter

Count syllables in words, sentences, and whole blocks of text.

Open tool

Moon Phase Calculator

Find the moon phase, illumination, and next phase dates for any day.

Open tool

Solar Eclipse Calculator

Find upcoming solar eclipses and visibility for your location.

Open tool

Lunar Eclipse Calculator

Find lunar eclipse dates, type, duration, and visibility.

Open tool

Sunrise & Sunset Calculator

Calculate sunrise, sunset, daylight length, and twilight times.

Open tool

Golden Hour Calculator

Find golden hour and blue hour times for photography.

Open tool

Star Magnitude Calculator

Convert between stellar brightness, magnitude, and distance.

Open tool

Distance Between Coordinates

Calculate the distance between two latitude and longitude points.

Open tool

GPS Coordinate Converter

Convert decimal degrees to DMS and DMS back to decimal.

Open tool

Map Scale Calculator

Convert map distances to real-world distances using a scale.

Open tool

Earth Curvature Calculator

Estimate horizon distance and curvature drop over a distance.

Open tool

BPM Tap Counter

Tap along to a song and measure its beats per minute.

Open tool

Online Metronome

Play a steady beat with adjustable tempo, accent, and time signature.

Open tool

Musical Note Frequency Calculator

Find the frequency of any note and octave.

Open tool

Guitar Tuning Reference

Play standard and alternate guitar tuning reference tones.

Open tool

Piano Note Frequency Finder

Find frequencies for every piano key and octave.

Open tool

Chord Identifier

Identify a chord from the notes you select.

Open tool

Musical Interval Calculator

Identify the interval between two notes and its semitones.

Open tool

Audio Frequency Generator

Generate sine, square, triangle, and sawtooth test tones.

Open tool

Decibel Converter

Convert dB to voltage, power, and amplitude ratios.

Open tool

Stereo Audio Channel Splitter

Separate left and right channels into individual audio files.

Open tool

Color Blindness Simulator

Preview images under protanopia, deuteranopia, and tritanopia.

Open tool

Image Alt Text Checklist

Check supplied HTML for missing, empty, or weak image alt text.

Open tool

Reading Line Height Calculator

Find a comfortable line height based on font size and measure.

Open tool

Font Pairing Previewer

Preview heading and body font combinations with real text.

Open tool

Typography Scale Calculator

Generate a harmonious font-size scale from a base size and ratio.

Open tool

REM to PX Visualizer

Convert rem values to pixels and preview different root sizes.

Open tool

Touch Target Size Checker

Check button dimensions against touch accessibility guidelines.

Open tool

HTML Landmark Inspector

Inspect semantic landmarks and heading structure in HTML.

Open tool

Focus Order Visualizer

List focusable elements in keyboard order and find tabindex problems.

Open tool

Room Layout Planner

Arrange furniture in a 2D room plan and export the layout.

Open tool

Furniture Fit Calculator

Check whether furniture fits through doors, halls, and room spaces.

Open tool

Wallpaper Roll Calculator

Calculate wallpaper rolls needed for a room.

Open tool

Curtain Size Calculator

Calculate curtain fabric, fullness, and panel requirements.

Open tool

Staircase Dimension Calculator

Calculate stair rise, run, treads, and angle.

Open tool

Roof Pitch Converter

Convert roof pitch between rise/run, degrees, and multipliers.

Open tool

Land Area Converter

Convert acres, hectares, bigha, katha, marla, and other land units.

Open tool

Price Per Square Foot Calculator

Compare property prices using area and total price.

Open tool

Solar Panel Savings Calculator

Estimate solar generation, savings, payback, and CO2 reduction.

Open tool

Home Insulation Calculator

Estimate insulation material, R-value, and energy savings.

Open tool

Flight Duration Calculator

Estimate flight time from route distance, speed, and wind.

Open tool

Layover Duration Calculator

Calculate connection time and flag risky layovers.

Open tool

Travel Packing Checklist Generator

Create a packing list based on trip type, weather, and duration.

Open tool

Luggage Weight Planner

Check bag weights against airline allowances and redistribute items.

Open tool

Fuel Efficiency Converter

Convert MPG, km/L, and L/100km values.

Open tool

Vehicle Depreciation Calculator

Estimate a car value after years of depreciation.

Open tool

Car Ownership Cost Calculator

Calculate monthly and per-mile ownership costs.

Open tool

Trip Distance Splitter

Split a journey into equal distance segments.

Open tool

Parking Fee Calculator

Calculate parking charges from entry and exit times.

Open tool

Flight Time Zone Calculator

Calculate arrival time across departure and arrival time zones.

Open tool

Matrix Calculator

Add, subtract, multiply, transpose, and find determinants.

Open tool

Linear Equation Solver

Solve two or three simultaneous linear equations.

Open tool

Logarithm Calculator

Calculate logarithms with any base and show the steps.

Open tool

Permutation & Combination Calculator

Calculate nPr and nCr with and without repetition.

Open tool

Probability Calculator

Calculate single and combined event probabilities.

Open tool

Vector Calculator

Add vectors and calculate dot products, cross products, and angles.

Open tool

Complex Number Calculator

Add, subtract, multiply, divide, and convert complex numbers.

Open tool

Binary Arithmetic Calculator

Add, subtract, multiply, and divide binary numbers.

Open tool

Ohm's Law Calculator

Calculate voltage, current, resistance, and power.

Open tool

Resistor Color Code Decoder

Decode 4, 5, and 6-band resistor values and tolerances.

Open tool

Database Connection String Builder

Build MySQL, PostgreSQL, and MongoDB connection strings.

Open tool

SQL Table Schema Visualizer

Turn CREATE TABLE statements into a relationship diagram.

Open tool

Database Seed Data Planner

Build structured sample records for database testing.

Open tool

Docker Compose Validator

Validate Docker Compose YAML structure and common mistakes.

Open tool

Dockerfile Linter

Detect common Dockerfile mistakes with static rules.

Open tool

Nginx Configuration Validator

Check Nginx configuration syntax and common issues.

Open tool

Apache Virtual Host Generator

Generate Apache virtual host configurations for HTTP and HTTPS.

Open tool

Git Branch Name Validator

Validate branch names against configurable naming rules.

Open tool

Semantic Version Comparator

Compare semantic versions and calculate version bumps.

Open tool

Changelog Generator

Create a Keep a Changelog style changelog from release entries.

Open tool

Product Bundle Pricing Calculator

Calculate bundle price, discount, savings, and margin.

Open tool

Multi-Buy Discount Calculator

Calculate BOGO, quantity, and tiered multi-buy discounts.

Open tool

Marketplace Commission Comparator

Compare marketplace fees and net payouts side by side.

Open tool

ROAS Calculator

Calculate return on ad spend, ROI, CPA, and break-even ROAS.

Open tool

Customer Lifetime Value Calculator

Estimate CLV, CAC ratio, and customer profitability.

Open tool

Repeat Purchase Rate Calculator

Calculate the percentage of customers who buy again.

Open tool

Inventory Reorder Point Calculator

Calculate when to reorder stock based on demand and lead time.

Open tool

Stock Coverage Calculator

Calculate how many days current inventory will last.

Open tool

Product Variant Generator

Generate SKU combinations from sizes, colors, and options.

Open tool

Retail Price Comparison Table Builder

Build comparison tables for products, prices, and features.

Open tool

GDPR Data Retention Calculator

Calculate data deletion deadlines from retention periods.

Open tool

Cookie Expiry Calculator

Calculate cookie expiration dates and Set-Cookie headers.

Open tool

Privacy Policy Clause Checklist

Check which common privacy policy clauses your site needs.

Open tool

License Compatibility Checker

Check whether two open-source licenses can be combined.

Open tool

Software License Notice Generator

Generate third-party license attribution notices.

Open tool

Copyright Year Range Generator

Generate copyright notices and year ranges.

Open tool

Data Breach Notification Timeline

Calculate breach notification deadlines by jurisdiction.

Open tool

Contract Date Calculator

Calculate contract end dates and notice deadlines.

Open tool

Document Redaction Checker

Find sensitive terms in text or PDF documents before sharing.

Open tool

Terms Acceptance Log Template

Generate a structured consent and terms acceptance log template.

Open tool

Shared Expense Splitter

Split shared expenses and calculate the minimum settlements.

Open tool

Subscription Cost Tracker

Track monthly and annual subscription spending.

Open tool

Chore Rotation Scheduler

Assign household chores fairly on a rotating schedule.

Open tool

Gift Budget Planner

Distribute a gift budget across recipients and track spending.

Open tool

Event Seating Planner

Arrange guests around tables and export a seating plan.

Open tool

Meeting Agenda Builder

Build timed meeting agendas with owners and notes.

Open tool

Decision Matrix Calculator

Score options against weighted criteria and rank them.

Open tool

Habit Streak Calendar

Track daily habits, completions, and current streaks.

Open tool

Random Word Generator

Generate random words for games, writing prompts, and brainstorming.

Open tool

Random Name Picker

Spin a visual wheel to pick a random winner from any list of names.

Open tool

Random Number Generator

Generate random numbers within any range, with optional repeats.

Open tool

Coin Flipper & Dice Roller

Flip a virtual coin or roll dice for games, decisions, and tabletop sessions.

Open tool

Random Team Generator

Shuffle a list of names and split them into balanced random teams.

Open tool

Video Compressor

Shrink MP4 and WebM videos with adjustable resolution and quality.

Open tool

Video Trimmer

Cut a video to the exact start and end points you need.

Open tool

Video to MP3

Extract audio from a video and download it as an MP3 file.

Open tool

Audio Converter

Convert audio files to MP3 or WAV with bitrate and quality controls.

Open tool

Audio Joiner

Combine multiple audio clips into one continuous track.

Open tool

Screen Recorder

Record your screen, window, or tab with optional microphone audio.

Open tool

YouTube Thumbnail Downloader

Download YouTube thumbnails in every available resolution.

Open tool

GIF Maker

Turn a set of images into an animated GIF with custom speed.

Open tool

GIF to MP4

Convert animated GIFs into smaller, faster video files.

Open tool

Video Merger

Combine multiple video clips into one continuous video.

Open tool

Video Muter

Remove the audio track from a video file.

Open tool

Video Speed Changer

Speed up or slow down a video from 0.25x to 4x.

Open tool

Audio Volume Booster

Increase audio volume with gain control and clipping protection.

Open tool

Audio Silence Remover

Detect silent gaps and remove them from audio recordings.

Open tool

Video to GIF Converter

Turn a short video clip into a looping GIF right in your browser.

Open tool

Audio Trimmer

Trim an audio file visually and download the selected segment.

Open tool

Online Voice Recorder

Record audio with your microphone and download it instantly.

Open tool

Extract ZIP Online

Open and extract ZIP files directly in your browser.

Open tool

Merge PDF Files

Combine multiple PDF files into one document, in the order you choose.

Open tool

Split PDF

Extract pages or page ranges from a PDF into separate files.

Open tool

Compress PDF

Reduce PDF file size with adjustable quality and image resolution.

Open tool

PDF to JPG

Export every PDF page as a high-quality JPG image.

Open tool

JPG to PDF

Combine JPG and PNG images into a single PDF document.

Open tool

Rotate PDF

Rotate all or selected PDF pages by 90, 180, or 270 degrees.

Open tool

Organize PDF Pages

Reorder, rotate, or delete PDF pages with a visual page manager.

Open tool

Add Page Numbers to PDF

Stamp page numbers with your chosen position, format, and start number.

Open tool

Watermark PDF

Add a text or image watermark to every page of a PDF.

Open tool

Protect or Unlock PDF

Add password protection to a PDF or remove a known password.

Open tool

PDF to Word

Convert PDF pages into an editable Word document.

Open tool

Word to PDF

Convert DOCX documents into shareable PDF files.

Open tool

PDF to Excel

Extract text and table-like data from PDF pages into a spreadsheet.

Open tool

Excel to PDF

Convert XLSX and CSV spreadsheets into printable PDF files.

Open tool

PDF Metadata Viewer

Inspect PDF title, author, dates, creator, producer, and page count.

Open tool

Typing Speed Test

Measure your words per minute and accuracy with a timed typing test.

Open tool

Minecraft Server Status

Check whether a Minecraft server is online, its ping, and player count.

Open tool

Steam ID Finder

Convert a Steam profile URL or vanity name into a 64-bit Steam ID.

Open tool

Minecraft Circle & Sphere Generator

Get block-by-block circle and sphere layouts for Minecraft builds.

Open tool

Tournament Bracket Maker

Create a visual single-elimination bracket from a list of players or teams.

Open tool

IPv4 to IPv6 Converter

Convert IPv4 addresses to IPv4-mapped IPv6 notation and back.

Open tool

MAC Address Formatter

Convert MAC addresses between colon, hyphen, dot, and plain formats.

Open tool

TLS Version Checker

Check which TLS protocol versions a server supports.

Open tool

What Is My IP?

See your public IP address, approximate location, ISP, and browser details.

Open tool

WHOIS Domain Lookup

Look up domain registration, expiry dates, registrar, status, and nameservers.

Open tool

MAC Address Lookup

Find the manufacturer behind any MAC address or OUI prefix.

Open tool

Internet Speed Test

Measure your download speed, upload speed, and latency.

Open tool

DNS Record Lookup

Look up A, AAAA, MX, TXT, CNAME, and NS records for any domain.

Open tool

SSL Certificate Checker

Check a website SSL certificate, issuer, validity dates, and days until expiry.

Open tool

Subnet Calculator

Calculate network address, broadcast, usable hosts, and CIDR ranges.

Open tool

Body Fat Calculator

Estimate body fat percentage with the US Navy method.

Open tool

Ideal Weight Calculator

Compare ideal weight ranges from several formulas.

Open tool

Water Intake Calculator

Estimate a daily hydration goal based on weight and activity.

Open tool

Sleep Calculator

Find the best bedtimes and wake times around sleep cycles.

Open tool

Ovulation & Period Calculator

Predict fertile days, ovulation, and upcoming periods.

Open tool

Running Pace Calculator

Calculate pace, finish time, or distance for a run.

Open tool

TDEE Calculator

Estimate your total daily energy expenditure from BMR and activity level.

Open tool

Macronutrient Calculator

Split your daily calories into protein, carbohydrates, and fat targets.

Open tool

One-Rep Max Calculator

Estimate your one-rep max from a weight and rep count, with training percentages.

Open tool

Free Invoice Generator

Create a clean, professional invoice and download it as a PDF or print it.

Open tool

Email Signature Generator

Build a clean, responsive HTML email signature and copy it into Gmail or Outlook.

Open tool

Handwritten Signature Creator

Draw or type a signature and download it as a transparent PNG.

Open tool

Privacy Policy & T&C Generator

Generate a formatted privacy policy and terms document for your website.

Open tool

Wheel Spinner

Spin a colorful decision wheel with your own custom options.

Open tool

CPS Test

Measure your clicks per second in 1, 5, or 10 seconds.

Open tool

Reaction Time Test

Measure your reaction time in milliseconds.

Open tool

Keyboard Tester

Check every key and see its code, key, and location.

Open tool

Classic Meme Generator

Add classic top and bottom Impact text to any image and download the meme.

Open tool

Name Compatibility Calculator

Check the fun compatibility score between two names.

Open tool

Zodiac & Generation Calculator

Find your zodiac sign and demographic generation from a birth date.

Open tool