Encode
Base64 and URL encode/decode stay on your device. Useful for developers and quick debugging.
No sign-in. Paste a string, encode or decode, then copy the output.
Prefer URI-component mode when encoding query values so spaces and symbols stay safe.
2 apps
Apps
Encode · In browser
Base64 Encode Decode
Encode or decode Base64 text without uploading anything.
OpenEncode · In browser
URL Encode Decode
Percent-encode URLs or decode query strings safely.
OpenWhen to use encode apps
Base64 is common in data URLs and APIs. URL encoding keeps query strings from breaking on spaces and symbols.
Decode only strings you trust. Encoding is not encryption.
No account is required for either tool.
More detail: Learn guides · Privacy