Base64 Encoder
Encode text to Base64 or decode it back. Works with text and binary files.
🔒 100% private — runs in your browser⚡ Free forever🎯 No watermark
About this tool
Encode or decode Base64 text and files — instant, free and fully private.
Unlike most online tools, Base64 Encoder never uploads your files. Everything is processed locally on your device using modern browser APIs — your videos, audio and images stay private, and there are no file-size limits or queues.
Frequently asked questions
Encoding binary data as text — email attachments, data URIs, API tokens and storing binary in JSON.
Yes — the encoder is Unicode-safe, so emoji and non-Latin text work.
Yes, free and instant — no upload.
Guides for Base64 Encoder
Step-by-step tutorials & format comparisons.
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