JSON Formatter
Beautify, minify, sort keys, escape, unescape, and validate JSON locally.
Open toolJSON Diff
Compare two JSON payloads and review readable added, removed, and changed values.
Open toolSchema Validator
Check the Web Tools Lite subset: type, enum, required, properties, and items. Unsupported rules return errors; the extension supports a larger subset.
Open toolJWT Decoder
Decode JWT header and payload JSON without sending your token anywhere.
Open toolBase64
Encode and decode UTF-8 text for everyday development and debugging workflows.
Open toolURL Encoder
Encode and decode URL-safe strings, query values, and copied request fragments.
Open tool