Encode text or files to Base64 and decode Base64 strings online. 100% browser-based, nothing uploaded. 100% free — no sign-up, no download needed. Works on all devices.
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Encode text or files to Base64 and decode Base64 strings online. 100% browser-based, nothing uploaded. 100% free — no sign-up, no download needed. Works on all devices.
Prefer full screen? Open Free Base64 Encoder & Decoder Online directly →