Base64 Encode / Decode
Signal 64
Base64 Encode / Decode
Base64 Encode / Decode Local Signal Studio
Encode and decode UTF-8 text instantly, or turn local files into Base64 Data URLs. Useful for API debugging, embedded assets, image preview, and frontend workflows, all processed locally in the browser.
UTF-8 SafeFile to Data URLInstant Image Preview
Input Control
Switch modes and enter the source content
Processing mode
0
Quick fill
Current file --
Output Signal
Inspect the output, preview, and status
Waiting for a Base64 signal
After you enter text or upload a file, this panel will show the encoded output, decoded output, or Data URL preview.
Output result 0
Visual preview
The current output does not contain previewable image content.
Output notes
- Text encoding and decoding use UTF-8 handling to avoid garbled non-ASCII content.
- File mode outputs a full Data URL, which is useful for direct frontend embedding or API payloads.
- If the decoded input is an image Data URL, the preview panel renders it automatically.