Base64 Encoder/Decoder

Encode text and files to Base64 or decode Base64 back to its original form. Supports images with preview and download. Everything runs securely in your browser.

How to Use the Base64 Encoder/Decoder

1

Choose Encode or Decode

Select the "Encode" tab to convert text or files to Base64, or the "Decode" tab to convert Base64 back to its original form.

2

Enter Your Data

For encoding, type or paste text, or upload a file. For decoding, paste the Base64 string into the input field.

3

Copy or Download

Click the encode or decode button, then copy the result to your clipboard or download the output file.

Frequently Asked Questions

Yes, this tool is completely free with no signup, no hidden fees, and no usage limits.

Absolutely. All processing happens locally in your browser. Your files and text never leave your device.

Yes, you can upload image files (JPG, PNG, GIF, WebP, SVG) and encode them to Base64. You can also decode Base64 back to images and download them.