Base64 Encode / Decode
Encode text or files to Base64 and decode Base64 back to text or files. Supports UTF-8 and URL-safe Base64.
How to use Base64 Encode / Decode
- Choose Encode or Decode.
- Paste text or pick a file.
- Copy the result or download the decoded file.
Frequently asked questions
What is URL-safe Base64?
A variant that uses - and _ instead of + and /, so it is safe in URLs and file names.
Does it handle emoji and non-English text?
Yes, text is encoded as UTF-8.
Is Base64 Encode / Decode free?
Yes. Base64 Encode / Decode is completely free, with no sign-up, no watermark and no usage limits.
Is my data uploaded to a server?
No. Base64 Encode / Decode runs entirely in your browser. Your files and text never leave your device.
Does it work offline?
Yes. After Red Cat Tools has loaded once, this tool keeps working without an internet connection. You can also install Red Cat Tools as an app.
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