Base64 Encode
Paste any UTF-8 text and instantly get the standard Base64 encoding plus the URL-safe variant (using - and _, no padding). Encoding happens entirely in your browser — your text is never uploaded. Useful for embedding strings in data URIs, JSON, JWTs, and HTTP headers.
Privacy
Runs entirely in your browser — nothing is sent to any server.
Cost
Free. No sign-up, no watermark.
Type
Encoder
Related tools
Tools that work with the same formats — most users open one of these next.
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Scan a QR code from any image and decode it to text — free, online, runs entirely in your browser.
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Wi-Fi QR Code Generator
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Frequently asked
Is Base64 Encode free to use?
Yes. Base64 Encode is completely free with no sign-up, no watermark, and no usage limits. Toolsly does not charge for any of its tools.
Do my files and data stay private?
Yes — Base64 Encode runs entirely in your browser using your device's CPU. Files and text are never uploaded to our servers, so your data stays private.
How does Base64 Encode work?
Open Base64 Encode, paste or fill in the input fields, and the result updates instantly. Everything runs in your browser — no upload, no waiting.
Which browsers does Base64 Encode support?
Any modern browser works — Chrome, Firefox, Safari, and Edge on desktop and mobile. Base64 Encode uses standard web APIs and does not require any plugin, extension, or sign-up.