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Tool collection
Handle common coding and data tasks. Pick a tool and get straight to the task - no account, no complicated setup.
13
free tools available
Available now
Format and inspect JSON with readable indentation.
Free to useConvert a JSON array of objects into downloadable CSV data in your browser.
Free to useGenerate UUIDs in your browser.
Free to useGenerate strong passwords locally in your browser.
Free to useGenerate SHA-256, SHA-384 and SHA-512 hashes from text in your browser.
Free to useEncode or decode URL text in your browser.
Free to useEncode or decode Base64 text.
Free to useConvert Unix timestamps and dates in either direction.
Free to useConvert HEX, RGB and HSL color values.
Free to useConvert HTML special characters to and from entities.
Free to useTest regular expressions against text and inspect matches and capture groups.
Free to useDecode JWT headers and payloads locally without verifying the signature.
Free to useOpen Markdown, HTML, CSS, JS, TS, JSON, YAML and XML files in your browser.
Free to useQuick guide
These developer utilities cover common data and coding tasks such as JSON formatting, Base64 conversion, URL encoding, UUID generation, hashing, regular expressions, JWT inspection and timestamps. Where possible, processing happens locally in your browser so you can work without sending routine data to a server.
Most developer tools process input locally in your browser. Check the processing note on an individual tool page for exceptions that use an external service.
For sensitive credentials or secrets, prefer your organization's approved tools and workflows. Browser utilities should not replace your security controls.
Simple by design
Every tool is designed to get you from question to result with as little friction as possible.