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Base64 Encode / Decode
Encode text to Base64 or decode Base64 to text.
Or encode a file:
✓ Generated entirely in your browser.
How it works
- Select your file from your device
- Adjust settings if needed
- Save the result — done!
Why LocalConvert?
- 100% private — your files never leave your device. No server uploads, ever.
- Free forever with no file size limits. No accounts, no subscriptions.
- Works offline as an installed app. No internet required after first load.
Frequently asked questions
Can I encode files, not just text?
The tool encodes and decodes text strings. For file encoding, convert the file content to text first.
Does it handle Unicode text?
Yes. UTF-8 encoded text including non-Latin characters is fully supported.
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