Free developer tools
Quick, private utilities for everyday web work. No sign-up, and everything runs in your browser.
JSON Formatter & Validator
Beautify, minify and validate JSON with exact error line and column.
Base64 Encode & Decode
Convert text or files to Base64 and back, with UTF-8 and URL-safe support.
URL Encoder & Decoder
Percent-encode or decode URLs and inspect every query parameter.
Email Validator
Check if an email address is real: syntax, mail server, disposable and role addresses.
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