Dev Tools
Base64
Actually supports Unicode. Most other tools break it.
Esc Clear
What does Base64?
A tool to encode and decode text and data in Base64 format — entirely in your browser.
How to use Base64?
- Paste plain text (to encode) or a Base64 string (to decode).
- Choose the direction: encode or decode.
- Copy the result.
Key features
- Instant encode and decode
- Supports Unicode text including non-Latin scripts
- No server — everything is processed in your browser
Frequently asked questions
What is Base64 used for?
Embedding binary data in text formats — such as JSON, HTML, email, and data URIs.
Is Base64 encryption?
No. Base64 is encoding, not encryption — anyone can decode it. It provides no security.
Is this tool free?
Yes, this tool is completely free and requires no registration.
Is my data saved?
No. All calculations happen in your browser only — no data is sent to any server.