- Home
- Developer tools
- Base64 Encode / Decode
Base64 Encode / Decode
Encode any text or file to Base64, or decode Base64 back to readable text or the original file.
Free, no sign-up. Runs in your browser: nothing is uploaded.
How to use Base64 Encode / Decode
- Pick Encode or Decode.
- Type text or drop a file.
- Copy the result or download the decoded file.
Features
- Full UTF-8
- URL-safe alphabet
- Files of any type
- Decode to a file
Supported formats
You can open
- Text
- Any file
You get
- Base64
- File
Private by design
Your files are opened and processed by your browser on this device. They are never uploaded to openWorkstand or anyone else, so the Base64 Encode / Decode is safe for contracts, IDs, photos and work documents, and it keeps working offline once the page has loaded. How local processing works
When to use the Base64 Encode / Decode
- Decode data in an API response.
- Encode credentials for a test request.
- Embed a file inside JSON.
Troubleshooting
The file does not open
Check that it is one of the supported formats above and opens in another app. Damaged files and password-protected PDFs cannot be read until they are repaired or unlocked.
It is slow or stops on a very large file
Everything runs on your device, so speed depends on its memory. Close other tabs, use a computer rather than a phone, or split the file into smaller parts first.
The download did not start
Look for your browser’s download bar or icon. Some browsers ask once before a site may download files; allow it and click the button again.
Frequently asked questions
Is Base64 encryption?
No. It is an encoding that anyone can reverse. Never use it to protect secrets.
Is my data uploaded anywhere?
No. This tool runs entirely in your browser. Nothing you type or open is sent to a server, so it is safe for private and work data, and it keeps working offline once the page has loaded.
Step-by-step guides
- How to decode a JWTRead the header, payload and expiry of a JSON Web Token safely, understand exp, iat and nbf, and why decoding is not the same as verifying.
Keep working with the result
After you download, choose “Save to Workstand” to keep the result in a folder on your computer, attach it to a project and create a follow-up task. It is saved by your browser, not uploaded.