Format & Validate
16Format, validate, and inspect structured data and source code, including JSON, XML, SQL, HTML, and CSS.
Format, convert, generate, inspect — without sending data to servers. Your sensitive data stays in your browser.
Format, validate, and inspect structured data and source code, including JSON, XML, SQL, HTML, and CSS.
Convert data across formats and encode/decode payloads such as Base64, URLs, HTML entities, and data files.
Refine text content with counting, cleanup, casing, diffing, and writing-focused helper utilities.
Debug web protocols and API flows with JWT, hashing, headers, HTTP, OpenAPI, and request builders.
Generate IDs, passwords, timestamps, secrets, and utility payloads for development and testing workflows.
Create visual and media assets such as code images, color outputs, SVG assets, and share-ready design snippets.
Start with these frequently used tools
Format, validate, and minify JSON payloads instantly.
Encode text to Base64 format or decode it back to a readable string.
Decode JSON Web Tokens instantly. Never sends your token to any server.
Instantly generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text.
Encode text for safe URL transmission or decode it back to readable string.
Instantly generate secure, random UUIDs (version 1 or 4) in bulk.
Build, parse, and understand cron schedules easily.
Test and evaluate regular expressions in real-time natively in your browser.
Paste JSON and instantly generate TypeScript interfaces.
Browse tools organized by use case
Format, validate, and inspect structured data and source code, including JSON, XML, SQL, HTML, and CSS.
Convert data across formats and encode/decode payloads such as Base64, URLs, HTML entities, and data files.
Refine text content with counting, cleanup, casing, diffing, and writing-focused helper utilities.
Debug web protocols and API flows with JWT, hashing, headers, HTTP, OpenAPI, and request builders.
Generate IDs, passwords, timestamps, secrets, and utility payloads for development and testing workflows.
Create visual and media assets such as code images, color outputs, SVG assets, and share-ready design snippets.
Stop pasting sensitive JWTs, API keys, and JSON payloads into random websites. Every computation stays on your machine.
No spinners, no loading bars. Paste megabytes of text and watch it format, hash, or encode in real time.
Six top-level categories with visible tool counts help you jump to the right tool in seconds.
From JSONPath queries and Cron visualizers to QR generators and Chmod calculators. A unified, ever-expanding toolkit.