Base64 Converter Online
Free online Base64 encoder and decoder. Convert text to Base64 and decode Base64 back to plain text instantly, both ways, all privately in your browser.
How to use Base64 Converter Online?
Enter or paste the text you want to encode or decode into the input box.
Choose whether to encode plain text into Base64 or decode Base64 back into text.
The result appears instantly in the output area.
Copy the encoded or decoded result for use wherever you need it.
Why use our PDF Master?
- 100% Free & No Signup Required
- Browser-Only Processing (Privacy First)
- Lightning Fast Performance
Professional Features
Two-Way Conversion
Encode plain text to Base64 and decode Base64 back to text from a single tool.
Instant Results
See your encoded or decoded output immediately, with nothing to install.
Private & Free
Everything runs in your browser, so your data stays private and the tool is completely free.
Common Questions
Can I both encode and decode Base64?
Yes. The tool works in both directions, letting you encode text to Base64 and decode it back to plain text.
Is there a length limit?
No. You can convert text of any reasonable length completely free.
Is my data kept private?
Yes. All encoding and decoding happen locally in your browser, so your data is never uploaded.