DevToys Web Pro
A swiss army knife for developers — now in your browser
About DevToys Web Pro
DevToys Web Pro brings 65+ essential developer tools to your browser — no installs, no sign-ups, no data leaving your device. Format JSON, encode Base64, decode JWTs, generate UUIDs, test regex, compare text diffs, convert images, parse cron expressions, and much more. Available in 57 languages with a fast, clean UI. Also ships as a browser extension (Chrome, Firefox, Edge) for new-tab access. Server-side tools included for XML/XSD validation, image processing, and enterprise-grade hashing. Completely free.
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