Base64 Encoder / Decoder
Encode or decode Base64 text locally in your browser.
About this tool
The Base64 Encoder / Decoder is a powerful developer utility designed to convert plain text or binary data into Base64 format or decode Base64 strings back to their original readable format securely inside your web browser.
Base64 encoding is widely used in web development, email transmission (MIME), data URIs, and storing complex information in simple text formats like JSON or XML without data corruption issues.
How to use Base64 Encoder / Decoder
Follow these quick steps to encode or decode your text instantly:
- Select your preferred action mode (Encode or Decode) from the dropdown menu in the tool panel.
- Paste or type your input string directly into the text area box.
- Click the Process button to instantly generate the converted result.
- Use the Copy Result button to save the output text straight to your clipboard.
Frequently asked questions
What is Base64 encoding?
Base64 is a binary-to-text encoding scheme that translates binary data into a set of 64 ASCII characters, making it safe to transmit across networks and systems that handle text data.
Is Base64 considered encryption?
No, Base64 is merely an encoding format and provides zero security or confidentiality. Anyone can easily decode Base64 strings back to plain text.
Is there any file size limit?
Since processing occurs entirely within your browser memory, performance depends on your device capabilities, but standard text snippets convert instantly.
Does this tool support UTF-8 characters?
Yes, the tool fully supports UTF-8 safe browser APIs for precise multi-language character encoding and decoding.