Base64 Encode / Decode
Encode text to Base64 or decode Base64 back to text, right in your browser.
Encode text to Base64 or decode Base64 back to text, right in your browser.
How to base64 encode / decode
- 1. Select or drag your file into the box above.
- 2. Adjust the options to fit what you need.
- 3. Click Base64 Encode / Decode and download your result — done in seconds.
Why use AXS PDF to base64 encode / decode?
AXS PDF gives you a fast, no-nonsense way to base64 encode / decode without installing software or creating an account. There are no watermarks on your result and no walls of ads between you and your download — just the tool you came for. It works the same on desktop and mobile, so you can handle documents wherever you are.
Are my files private?
Yes. This tool runs entirely in your browser, which means your document is processed on your own device and never uploaded to our servers. Whether you're working with a contract, an invoice or a personal scan, the file stays with you. Learn more about our approach on the security page.
Frequently asked questions
Is Base64 Encode / Decode free to use?
Yes — it's free with no watermark and no sign-up required for everyday documents.
Do I need to install anything?
No. It works in any modern web browser on Windows, macOS, Linux, Android and iOS.
Will my document be uploaded?
No. Processing happens locally in your browser, so there's nothing for us to store.