Base64 Encoder/Decoder
Free Base64 encoder and decoder for text or files in your browser. Convert to Base64 and back without uploading anything to GraphicByte.
Toolnamen, Anleitungen und erzeugte Inhalte können auf Englisch vorliegen.
Über dieses Tool
Encode strings for data URLs, HTTP headers or embed snippets, or decode a Base64 blob back to readable text. You can also drop a small file and encode its bytes.
Encoding uses UTF-8 in this tab. Large binaries stay on your machine; we never store the file.
So verwenden Sie es
- Paste text, or drop a file to encode its bytes.
- Click Encode or Decode.
- Copy the output. Decode fails if the input is not valid Base64.
FAQ
Is this a URL-safe Base64 encoder?
This tool uses standard Base64 (btoa/atob) with UTF-8 text. For URL-safe variants, swap +/ and padding in your own code after you copy.
Can I encode an image to Base64?
Yes. Drop the file and encode. The result is the raw byte string, not a full data: URL prefix.
Does GraphicByte keep the file?
No. The file is read in the browser and discarded when you leave the page.