Is the Base64 Decoder free to use?

Yes. The Base64 Decoder is free and works without creating an account.

Are my files uploaded to a server?

No. The Base64 Decoder runs entirely inside your web browser using built-in browser technology, so your files never leave your device.

Yes. It works in modern mobile browsers on Android and iOS as well as on desktop.

Decode Base64 or data URIs back to readable text or a downloadable file.

Decode Base64 strings back to readable text. Both the standard and the URL-safe alphabets are accepted, with or without padding.

If the decoded data is binary rather than text, the output will not be readable.

1
Enter your input in the fields above.
2
Adjust the options to suit your needs — the defaults work well for most files.
3
Click “Run Base64 Decoder” to start processing.
4
Preview the result, then download it. Batch results can be downloaded together as a ZIP.

Create QR codes for links or text, with custom colors, size and error correction, as PNG or SVG.

Read the content of a QR code from a screenshot or photo.

Encode text (UTF-8) or any file into Base64, with an optional URL-safe alphabet.

Percent-encode text for safe use in URLs and query strings.

Decode percent-encoded URLs and query strings back to readable text.

Calculate MD5, SHA-1, SHA-256 and SHA-512 checksums of text or files.