Free Developer & Text Tools
Format JSON, SQL, HTML, CSS, and code, then encode, escape, compare, and clean text for development work.
JWT Decoder
Decode a JWT header and payload without verifying the signature.
Open toolUUID Generator
Generate UUID v1 and v4 values individually or in bulk.
Open toolJSON to YAML Converter
Convert JSON to YAML or YAML to JSON in both directions.
Open toolSQL Formatter
Beautify messy SQL queries with configurable indentation.
Open toolHTML Beautifier
Format messy HTML with clean indentation and line breaks.
Open toolColor Converter
Convert colors between HEX, RGB, HSL, and CMYK formats.
Open toolCSS Glassmorphism Generator
Create frosted-glass CSS with blur, transparency, and border controls.
Open toolCSS Clip-Path Generator
Design polygon clip-paths visually and copy the CSS.
Open toolCSS Border Radius Generator
Create rounded and blob-shaped corners with a live preview.
Open toolNumber Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal.
Open toolHTML Entity Encoder / Decoder
Escape and unescape HTML special characters safely.
Open toolChmod Calculator
Build Unix file permissions and copy chmod values.
Open toolXML Formatter & Validator
Format, validate, and convert XML to JSON.
Open toolYAML Validator
Check YAML syntax and see clear error locations.
Open toolHTML to Markdown Converter
Convert HTML into clean Markdown for docs and README files.
Open toolUser Agent Parser
Detect browser, operating system, device, and engine from a user agent.
Open toolFake Data Generator
Generate names, emails, addresses, and test records for development.
Open toolBarcode Generator
Create Code 128, EAN, UPC, and other barcodes as images.
Open toolEmoji Picker
Search thousands of emojis and copy them in one click.
Open toolOnline Notepad
A distraction-free notepad that saves automatically in your browser.
Open toolJavaScript Formatter
Beautify or minify JavaScript with configurable indentation.
Open toolCSS Formatter
Format and minify CSS stylesheets with clean indentation.
Open toolULID Generator
Generate sortable ULIDs individually or in bulk.
Open toolURL Parser
Break any URL into protocol, host, path, query, and fragment parts.
Open toolJavaScript Escape Tool
Escape and unescape strings for JavaScript source code.
Open toolSQL Escape Tool
Escape strings for safe use in SQL queries.
Open toolJSON Schema Validator
Validate JSON documents against a JSON Schema.
Open toolAPI Response Viewer
Inspect JSON API responses, status, headers, and timing.
Open toolcURL Converter
Convert cURL commands into fetch, Axios, PHP, and Python code.
Open toolLorem Ipsum Generator
Generate clean placeholder text for wireframes, mockups, and design layouts.
Open toolJSON Formatter & Validator
Paste messy JSON to format, validate, minify, and inspect it instantly.
Open toolStrong Password Generator
Create strong, random passwords with your choice of length, numbers, and symbols.
Open toolMarkdown to HTML Converter
Write Markdown on one side and get a live preview plus clean HTML on the other.
Open toolWord & Character Counter
Count words, characters, sentences, and paragraphs—and see keyword density as you type.
Open toolCase Converter
Turn any text into UPPERCASE, lowercase, Title Case, camelCase, snake_case, and more.
Open toolList Sorter & Deduplicator
Alphabetize, reverse, sort numerically, and remove duplicate lines from any list.
Open toolCSV to JSON Converter
Paste CSV data and get clean, formatted JSON in seconds—with header and type options.
Open toolRobots.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 toolXML Sitemap Generator
Turn a list of URLs into a clean XML sitemap for Google Search Console.
Open toolHash Generator
Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes from any text.
Open toolPassword Strength Meter
Test a password for length, entropy, patterns, and common dictionary words.
Open toolCode Minifier
Minify HTML, CSS, and JavaScript to reduce file size for faster pages.
Open toolRegex Tester
Test regular expressions against sample text with live match highlighting.
Open toolColor Contrast Checker
Check text and background colors against WCAG contrast requirements.
Open toolWhat Is My Screen Resolution?
See your screen resolution, viewport size, pixel ratio, and color depth instantly.
Open toolCron Job Generator
Build Cron expressions visually and get a plain-English schedule.
Open tool