Base64 Encoder
Encode text to Base64 instantly.
Text
Base64
Runs entirely in your browser — nothing here is uploaded anywhere.
How it works
- Type or paste text into the input box.
- It's encoded to Base64 as you type.
- Copy the result.
Need more than a one-off tool?
Velox PDF for Mac keeps every tool like this — plus AI chat, summarization, and semantic search across your documents — in one native app, working offline for markup and signing.
Download Velox PDF for Mac — free →Frequently asked questions
Is there a size limit?
Only your browser's own memory limits — there's no artificial cap since nothing is uploaded to a server.