Free Base64 Encoder & Decoder Online
Need a quick and secure way to convert text or files into Base64?
Our Base64 Encoder Converter is a free online tool that makes encoding and decoding data simple, fast, and reliable.
Whether you’re a developer embedding images in HTML/CSS, an IT professional sharing binary data, or a student learning how Base64 works,
this tool does the job instantly – right in your browser.
Why Use Our Base64 Converter?
Base64 is widely used in web development, programming, and digital data handling.
Unlike bulky software or complex scripts, our online Base64 converter is lightweight, secure, and completely free.
Here’s what makes it the go-to choice:
- Instant Results: Encode or decode text and files in seconds.
- Works with Text & Files: Paste plain text or upload files up to 25MB.
- 100% Secure: All operations happen in your browser – nothing is uploaded.
- Developer-Friendly: Add web-ready prefixes for HTML, CSS, and JSON.
- Free Forever: No login, no subscriptions, and no hidden limits.
How to Encode or Decode Base64
Using our tool is straightforward – no technical skills required. Just follow these steps:
- Paste or Upload: Enter your text in the box or upload a file.
- Choose Action: Select whether you want to encode or decode.
- Apply Options: Add line breaks or include prefixes if needed.
- Get Results: Copy the output instantly or download it as a file.
Who Can Benefit From Base64 Encoding?
Base64 isn’t just for developers – it’s useful for anyone who works with digital content:
- Web Developers: Embed images and media directly into HTML and CSS.
- Programmers: Encode data safely for APIs and JSON payloads.
- IT & Security Experts: Transfer binary data without corruption.
- Students: Learn how data encoding works with real-time examples.
- Everyday Users: Quickly decode Base64 text or files shared online.
Key Features You’ll Love
Our Base64 encoder and decoder offers more than just basic conversions:
- Drag & Drop Upload: Quickly upload files from your computer.
- One-Click Copy: Copy results directly to your clipboard.
- Web-Ready Tags: Automatically generate
data: prefixes.
- Readable Format: Add line breaks to long Base64 strings.
- Completely Private: Your files never leave your browser.
Pro Tips for Using Base64
- Keep File Sizes Small: Base64 increases file size by about 33%.
- Use Prefixes: Required when embedding images into HTML or CSS.
- Batch Conversion: Process multiple files to save time.
- Double-Check Outputs: Always decode to verify your data is correct.
Frequently Asked Questions
1. Is this Base64 encoder free to use?
Yes! Our tool is completely free and will always remain so.
2. Can I both encode and decode files?
Absolutely. Upload text or files up to 25MB and choose the desired action.
3. Is my data safe here?
Yes. All processing happens directly in your browser. No data is uploaded or stored.
4. Can I use this tool for web development?
Yes. You can generate Base64 strings for embedding in HTML, CSS, and JavaScript.
Conclusion
Our Base64 Encoder Converter is the simplest way to
encode and decode Base64 online. With instant results, complete security,
and free access forever, it’s the perfect solution for developers, students,
and everyday users. Try it now and make your file conversions easier than ever.
Try our free Base64 encoder today →