Essential utilities for developers and programmers — 24 free tools, no sign-up required.
Beautify, validate, and minify JSON instantly in your browser
Encode and decode Base64 strings instantly — fully UTF-8 aware
Generate unique UUID v4 identifiers instantly — one or in bulk
Decode and inspect JWT token claims instantly — no library needed
Test regular expressions with live match highlighting and group breakdown
Reduce HTML, CSS, and JavaScript file size instantly by removing whitespace
Format and auto-indent HTML, CSS, and JavaScript code in one click
Create CSS linear and radial gradients visually with instant code output
Encode and decode URLs and query parameters using percent-encoding
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes instantly in your browser
Generate cryptographically random, strong passwords instantly
Convert colours between HEX, RGB, HSL, and RGBA with a live preview
Generate Lorem Ipsum placeholder text — words, sentences, or paragraphs on demand
Convert Markdown syntax to clean, semantic HTML with live preview
Encode special characters to HTML entities and decode them back safely
Convert Unix epoch timestamps to readable dates and dates back to timestamps
Generate QR codes from URLs, text, or WiFi credentials — download as PNG
Convert images to Base64 data URIs for embedding directly in HTML and CSS
Convert JSON arrays to CSV spreadsheets and CSV back to JSON instantly
Compare two texts side by side and highlight every addition, deletion, and change
Convert text between camelCase, snake_case, PascalCase, kebab-case, and more
Count words, characters, sentences, and paragraphs with reading time estimate
Format and beautify SQL queries with proper indentation and keyword casing
Convert YAML to JSON and JSON to YAML instantly — supports anchors and aliases
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