URL Encoder / Decoder
Developer tools
Base64 Encoder / Decoder
Encode UTF-8 text as standard Base64 or decode Base64 to text locally.
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How it works
Choose encode or decode, enter text, then transform it. Processing stays in this browser.
Useful notes
This tool uses UTF-8 and standard Base64 with canonical padding. During decoding, only ASCII tab, line feed, form feed, carriage return, and space are removed wherever they occur. Base64URL and files are not supported.