Enter your text to start encoding, must be more than 4 characters
Base64 Text Encoder & Decoder
This Base64 Text Encoder & Decoder allows you to quickly convert plain text into Base64 format and decode Base64 back to readable text. The tool works entirely in your browser, so your data never leaves your device.
It is useful for developers, students, and anyone working with data encoding for web applications, APIs, emails, or data transmission.
What is Base64?
Base64 is a method of encoding data using a set of 64 characters, including letters, numbers, and symbols. It is commonly used to safely transmit text-based data over systems that only support plain text.
Base64 encoding does not encrypt data. It simply converts data into a readable text format that can be transferred without corruption.
Where is Base64 commonly used?
- Email attachments and MIME messages
- APIs and web services
- Embedding data inside HTML or CSS
- Authentication headers and tokens
How this tool works
Using this tool is simple:
- Paste or type your text into the input area
- Choose to encode or decode
- The result is generated instantly
All processing happens locally in your browser. No text is uploaded or stored on any server.
Why use this Base64 tool?
- Fast and lightweight
- No file uploads required
- Works offline after page load
- Accurate encoding and decoding
- Privacy-friendly
Frequently Asked Questions
Is Base64 encryption?
No. Base64 is not encryption. It does not protect or secure data. Anyone can decode Base64 text back to its original form.
Is my text sent to a server?
No. This tool runs completely in your browser. Your text is never transmitted or saved.
Can I use Base64 for passwords?
No. Base64 should not be used to store or protect passwords. Use proper hashing algorithms for security-related purposes.
Does this tool support all languages?
Yes. The tool supports Unicode text, so you can encode and decode text from most languages correctly.
Is there a limit on text length?
There is no strict limit, but very large text may depend on your browser’s memory. For normal use, the tool works smoothly.
