Convert Base64 online by encoding text or decoding Base64 strings. Use this simple converter for development, testing and everyday data tasks.
Encode and decode Base64 data online with our free Base64 Encoder Decoder. Convert text, strings, and supported data into Base64 format or decode Base64 back into readable content in just a few clicks. The tool is useful for developers, web designers, programmers, and anyone working with encoded data, APIs, URLs, or web applications. Simply enter your content, choose Encode or Decode, and get the result instantly. It works directly in your browser, requires no software installation, and provides a quick and convenient way to handle Base64 data.
Enter or paste your content into the tool above.
Configure any options or settings available in the tool.
Click the action button to process your input instantly.
Download or copy your result — the tool runs entirely in your browser.
Built for speed, privacy and reliability — on any device.
Get your output immediately. No uploading, no waiting — just type and go.
Everything runs directly in your browser. Your files never leave your device — 100% private.
Works on any modern browser on desktop, tablet or mobile — Mac, Windows, iOS, Android.
No subscriptions, no sign-ups, no hidden fees. Use Base64 Encoder/Decoder as many times as you need.
Built with robust algorithms that deliver consistent, accurate results every single time.
Yes, Base64 Encoder/Decoder is completely free. There are no hidden fees, subscriptions or account requirements. Just open the tool and start.
Base64 Encoder/Decoder runs entirely in your browser. Your files are never uploaded to any server — they stay on your device the whole time, so your data is always private.
There is no hard file size limit enforced by the tool. Very large files may take longer to process depending on your device's memory and browser performance.
No installation is required. Base64 Encoder/Decoder runs directly in your web browser on any device — desktop, tablet or mobile.
The tool works in all modern browsers including Google Chrome, Mozilla Firefox, Microsoft Edge, Safari and Opera. We recommend keeping your browser up to date for the best experience.
Step-by-step guide with screenshots and tips.
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