Developer
Base64 encoder
Encode text to Base64 or URL-safe Base64, with full Unicode support.
Free to use · Runs in your browser · No signup
This tool works in your browser. Enable JavaScript to select files and create your download.
How to use Base64 encoder
- Type or paste the text to encode.
- Choose standard or URL-safe Base64.
- Copy the encoded result.
What you need
Nothing to upload. Type or paste directly into the tool; results update as you go.
Your result
Base64-encoded text.
Before you start
Text is encoded as UTF-8 first, so emoji and accented characters round-trip correctly. Base64 is an encoding, not encryption.
Questions about Base64 encoder
How do I use Base64 encoder?
Type or paste the text to encode. Choose standard or URL-safe Base64. Copy the encoded result.
What does Base64 encoder produce?
Base64-encoded text.
What should I check before using Base64 encoder?
Text is encoded as UTF-8 first, so emoji and accented characters round-trip correctly. Base64 is an encoding, not encryption.
Is what I type sent anywhere?
No. The calculation runs in your browser, and the text or numbers you enter are not uploaded or stored.