Tool Workspace
Enter content, process with one click
1Introduction
Base64 Encode/Decode is a simple, practical online conversion tool that quickly converts plain text to Base64 format and restores Base64-encoded content to its original form. It also supports file upload for conversion, saving the hassle of manual copy-paste, with intuitive operation you can use immediately. The tool provides two modes - text input and file upload - with fast, real-time conversion and no waiting. Whether processing a passage, a config file, or a whole small document, it all completes locally in the browser. Data is never uploaded to the server, balancing privacy protection with convenience. It suits daily development debugging, data transmission, and learning Base64 principles. Frontend parameter concatenation, backend inspection of encrypted strings, and non-technical users occasionally handling encoded content all get clear, accurate conversion results - a practical little helper for improving efficiency.
2How to Use
Enter content
Enter text in the box, or click the upload button to choose a local file. Common text and small documents are supported.
Choose a direction
Select encode or decode mode as needed. The tool auto-detects Base64 format by default.
Click to convert
Click the main button to run the operation. The result appears in the area below, ready to copy or download.
3FAQ
What is Base64 encoding?
Base64 is an encoding method that represents binary data using 64 printable characters, commonly used to transmit data in text-based protocols.
How to decode Base64?
Paste the Base64 string into the input box and click the decode button to restore the original text or file.
