Base64 Encode & Decode
Encode and decode Base64 or Base64URL text locally in the browser.
Local browser workspace
Format, minify, and validate JSON locally in the browser. Run it free in your browser; core files stay on your device.
Format, minify, and validate JSON locally in the browser.
JSON Format & Validate is designed to process its core workflow locally in your browser, so your source content does not need to be uploaded to LocalKit.
Encode and decode Base64 or Base64URL text locally in the browser.
Decode JWT header and payload locally without uploading the token.
Generate strong random passwords locally with cryptographic browser randomness.
Encode and decode URL components or form-style query text locally.
Generate random UUID v4 values locally in the browser.