Base64 Encoder
Securely transform text and files to Base64 or decode strings back to their original format. All conversion happens locally.
Input Source
Result Output
Slot: base64-bottom
Configuration
Load standard samples:
Online Base64 Converter - Encode & Decode Everything
How to Use It
Step 1: Use the buttons to switch between Encode and Decode modes.
Step 2: Drag files into the box for instant conversion to Base64.
Step 3: Preview images and choose 'Download File' to save decoded binary data.
All work is done in your browser. No server storage, no privacy risks.
Frequently Asked Questions
Can I use this for Base64 to Image conversion?
Yes. Switch to Decode mode and paste your Base64 string. If it's a valid image, a preview will appear, and you can click 'Download File' to save it as its original image file format.
Does it support downloading as text?
Yes, 'Download Text' is always available to save the raw output string, regardless of whether it's encoded or decoded content.
Examples
"Practical use: Decode a Base64 string from a JSON API to see the original binary file content."
"Security: Use our tool to securely encode credentials before storing them in configuration files."