All Tools
24 free, privacy-first tools — no registration required.
JSON Formatter
Format, validate, minify and explore JSON data with tree view
Password Generator
Generate strong, secure passwords with customizable options
UUID Generator
Generate UUID v1, v4 and ULID in bulk with validation
Lorem Ipsum Generator
Generate placeholder text in paragraphs, sentences or words
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512 hashes from text or files
Color Palette Generator
Generate beautiful color palettes, complementary and analogous schemes
Secret Key Generator
Generate cryptographically secure keys, JWT secrets and API keys
Base64 Encoder/Decoder
Encode and decode Base64 text, files and images
Time Converter
Convert between time zones, Unix timestamps and date formats
File Converter
Convert between file formats: images, text, JSON, CSV and more
URL Shortener
Shorten long URLs instantly with a custom short link
Text Processor
Transform text: case conversion, trim, reverse, count words and more
Markdown Editor
Write Markdown with live preview, syntax highlighting and export
CSV Editor
Parse, edit and export CSV data with a spreadsheet-like interface
Diff Checker
Compare two texts side-by-side and highlight differences
Image Compressor
Compress and resize images in-browser with quality control
Code Minifier
Minify HTML, CSS and JavaScript to reduce file size
Code Editor
Full-featured code editor with syntax highlighting for 20+ languages
QR Code Generator
Generate QR codes with custom colors, logos and bulk export
API Tester
Test REST APIs with custom headers, body and authentication
JWT Encoder/Decoder
Encode and decode JWTs; verify HS256/HS384/HS512 signatures in the browser with jose
Regex Tester
Test regular expressions with live matching, flags and capture groups
SQL Query Builder
Build SQL queries visually with SELECT, WHERE, JOIN and ORDER BY
Calculator
Scientific calculator with history, unit conversions and expressions