Base64 Encoder / Decoder
Convert text to and from Base64 with one click — 100% client-side.
About the Base64 Encoder / Decoder
Convert text to and from Base64 with one click — 100% client-side. This free online base64 encoder / decoder works entirely in your browser, which means your data never leaves your device. There is no server upload, no tracking of inputs, and no need to sign up. It is built for speed, privacy, and ease of use on both mobile and desktop.
Whether you are a developer, designer, student, marketer, or everyday internet user, this tool saves you the hassle of installing desktop software or signing up for cluttered web apps. Just open the page, perform the action, copy or download the result — and you are done. The interface is intentionally minimal so you can focus on the task at hand.
Why use our Base64 Encoder / Decoder?
- 100% private: all processing happens locally in your browser.
- Lightning fast: optimized code with no bloated dependencies.
- Mobile-friendly: works flawlessly on phones, tablets, and desktops.
- Free forever: no signup, no watermark, no hidden limits.
- Dark mode: easy on the eyes, day or night.