Base64 Encoder
Encode and decode text to and from Base64
100% private. Your files and inputs never leave your device — everything runs locally in your browser.
How to Use Base64 Encoder
Encode and decode text to and from Base64. No signup, no uploads, no watermarks.
- 1
Enter your numbers in the input fields.
- 2
Choose the calculation options or frequency.
- 3
The result updates instantly as you type.
- 4
Review the breakdown, chart, or schedule, and copy the answer.
Why choose Base64 Encoder?
- No uploads — your files never leave your device.
- Free forever with no signup, no watermarks, and no limits.
- Works on any device with a modern browser — no installs.
- Fast, private, and built for getting the job done in seconds.
Frequently Asked Questions
What is Base64?▾
Base64 is an encoding that turns arbitrary binary data into safe ASCII text using 64 characters. It is commonly used in data URLs, email attachments and JSON payloads.
Is Base64 encryption?▾
No. Base64 is an encoding, not encryption. Anyone can decode it with no secret key, so it should never be used to hide data.
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