Base64 Encode / Decode
Text ↔ Base64, UTF-8 safe
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Questions
- Is Base64 Encode / Decode free?
- Yes. Base64 Encode / Decode is completely free, with no account, no sign-up, and no usage limits. It runs entirely in your browser.
- Do my files get uploaded when I use Base64 Encode / Decode?
- No. Base64 Encode / Decode processes everything on your device, so your files and text never leave your browser. You can verify it yourself: open your browser's Network tab and you'll see no uploads.
- How do I use Base64 Encode / Decode?
- Open Base64 Encode / Decode in your browser, no install or sign-up needed, then paste, type, or drop in your input and the result appears instantly. Encode text to Base64 or decode it back, UTF-8 safe (handles emoji and non-Latin scripts). URL-safe variant, plus file-to-data-URL for embedding images and fonts. Browser-only.
- Is there a file size limit in Base64 Encode / Decode?
- There's no hard file or text size limit. Because Base64 Encode / Decode runs locally in your browser, the only ceiling is your device's available memory, and everyday files process instantly.