Developer Tools, Simplified.
A collection of secure, client-side utilities for your daily development workflow. No server-side processing—your data never leaves your browser.
Data Format & Conversion
JSON Tools
Format, validate, and manipulate JSON data. Includes JSON beautifier, minifier, and validator with dual-pane viewer.
Base64 String
Encode and decode text to/from Base64. Useful for data encoding and transmission with real-time results.
Base64 Image
Convert images to Base64 and vice versa. Embed images in CSS or HTML with instant preview.
HTML Viewer
Preview and render HTML code. Test HTML snippets and templates with live preview.
HTML Tools
Format, minify, and validate HTML code. Clean and optimize HTML markup with entity encoding.
Markdown Editor
Edit and preview Markdown content. Convert Markdown to HTML with GitHub Flavored Markdown support.
SQL Tools
Format and validate SQL queries. Beautify and optimize SQL code with syntax highlighting.
Compression Tools
Compress and decompress data using Brotli and Gzip algorithms. Optimize file sizes with detailed stats.
JSON to Types
Convert JSON to strongly-typed models in TypeScript, Rust, Python, Go, or Ruby. Generate type-safe code from JSON.
Security & Authentication
JWT Tools
Decode, verify, and debug JSON Web Tokens. JWK signature verification with automatic key fetching.
Password Generator
Generate secure passwords with customizable options. Create strong, random passwords with strength analysis.
Secret Generator
Generate secure secrets and API keys. Create random strings for API keys, JWT secrets, encryption keys, and more.
Key Pair Generator
Generate RSA key pairs for encryption, authentication, and digital signatures with customizable key sizes.
Hash Generator
Generate hashes using MD5, SHA1, SHA256, SHA512, SHA3, RIPEMD, Whirlpool, BLAKE, and more algorithms.
Development & Testing
ID Analyzer
Analyze and decode UUIDs, GUIDs, ULIDs, Nano IDs, MongoDB ObjectIDs and more. Get detailed breakdowns and metadata.
ID Generator
Generate UUIDs (v1, v4, v7), GUIDs, ULIDs, Nano IDs, and KSUIds. Batch generation with one-click copy.
Regex Validator
Validate and test regular expressions against sample text. See matches, groups, and indices in real time.
Text Inspector
Analyze text for character, word, line, sentence counts. Get encoding info, byte size, and formatting breakdowns.
Lorem Generator
Generate lorem ipsum placeholder text for designs and mockups. Customize paragraphs, words, or sentences.
Diff Viewer
Compare and edit text or code side-by-side. See all changes and differences highlighted in real time.
Network & Web
File Tools
File Generator
Generate test files in PDF, Word, CSV, JSON, PNG, JPG, SVG, Excel, and text formats with customizable content and size.
Image Converter
Convert images between PNG, JPG, WebP, GIF, TIFF, SVG formats. Batch conversion with preview.
Image Operations
Crop, rotate, and resize images to any dimension. Batch editing with aspect ratio control.
Utility
Timestamps
Convert between Unix timestamps, ISO 8601, UTC, and local time. Timezone conversion and calendar info.
Color Tools
Convert colors between HEX, RGB, HSL, CMYK, OKLCH formats. Generate harmonies and check contrast for accessibility.
Cronjob Generator
Generate and inspect cron expressions for any schedule. Preview next trigger dates with human-readable descriptions.