Base64 Encoder/Decoder
Encode and decode text to and from Base64 format instantly.
Discover More Free Tools
How to Use This Tool
- Select 'Encode' to convert text to Base64, or 'Decode' to convert Base64 back to text.
- Paste your text or Base64 string into the input field.
- View the converted result instantly in the output panel.
- Copy the result to your clipboard with one click.
Related Tools
Password Generator
Generate strong, secure passwords with customizable length and character options.
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and vice versa.
CSS Minifier
Minify and beautify CSS code. Remove whitespace and comments for production.
Regex Tester & Converter
Test regular expressions, replace with regex, extract matches, and generate code snippets for 10 programming languages.
Frequently Asked Questions
What is Base64 encoding?
Base64 is a method of encoding binary data into ASCII text characters. It's commonly used to embed images in HTML/CSS, encode email attachments, and safely transmit binary data over text-based protocols like HTTP and JSON.
How do I decode a Base64 string?
Simply select the 'Decode' mode, paste your Base64 string into the input field, and the decoded text will appear instantly in the output panel. The tool handles multi-line Base64 strings automatically.
Is there a limit to how much text I can encode?
There is no practical limit. You can encode or decode text of any length directly in your browser. Processing speed depends on your device's capabilities.
Is my data secure when using this tool?
Yes. All encoding and decoding happens locally in your browser. No data is sent to any server, ensuring your information remains private.
What is Base64 encoding used for?
Base64 encoding converts binary data into ASCII text format. It is commonly used in data URLs, email attachments (MIME), encoding images in CSS/HTML, and safely transmitting binary data in text-based protocols.