Base64 Encoder/Decoder

❓ Frequently Asked Questions

Is this really a free Base64 encoder decoder online?

Yes! Our free Base64 encoder decoder online tool provides complete encoding and decoding functionality without any costs, registration, or hidden fees - accessible directly from your browser.

How do I convert an image to Base64 string online?

With our convert image to Base64 string online feature, simply upload any JPG, PNG or GIF file and we'll instantly generate the Base64 data URI - perfect for embedding images in HTML or CSS.

Can I decode Base64 back to original text for free?

Absolutely! This decode Base64 to text free tool handles all standard Base64 strings, including those with UTF-8 characters, returning your original content with perfect accuracy.

How do I use Base64 in HTML documents?

Our how to use Base64 in HTML guide shows the simple syntax: <img src="data:image/png;base64,YOUR_STRING"> for images or atob() JavaScript function for text decoding.

Does this require any software installation?

No installations needed! This text to Base64 converter no install solution works entirely in your web browser - just bookmark the page for instant access whenever you need it.

Is this suitable for web development projects?

Yes! Our image Base64 encoder for web is optimized for developers, with clean output that works perfectly in HTML, CSS, JavaScript, and all modern web frameworks.

What's the maximum file size for image encoding?

While there's no hard limit, we recommend keeping images under 2MB when using Base64 for web projects to maintain optimal page loading performance.