64
Base64
Install
Free Chrome Extension · No sign-up

Base64encoding,
atthespeedofthought.

The tiniest, fastest Base64 encoder & decoder for Chrome. Paste, convert, copy — never leave your tab.

Add to ChromeSee how it works
base64.popup
PLAIN TEXTUTF-8
BASE64
SGVsbG8sIGRldmVsb3Blci4=
Encoded in 0.4ms
Features

Small extension. Big convenience.

Instant conversion

Encode or decode as you type. No submit button, no waiting.

100% local

Runs entirely in your browser. Nothing is ever sent to a server.

UTF-8 safe

Handles emoji, accents and multibyte characters correctly.

One-click copy

Grab the result with a single click and paste it anywhere.

No permissions

Minimal manifest. Zero tracking. No account required.

Keyboard friendly

Toggle direction, clear, and copy without touching your mouse.

encode() decode() UTF-8 safe 0 dependencies 0 tracking instant copy keyboard first open source ♥
encode() decode() UTF-8 safe 0 dependencies 0 tracking instant copy keyboard first open source ♥
Workflow

Three steps.
That's the whole thing.

  1. 01
    Open the popup
    Click the toolbar icon or hit your keyboard shortcut.
  2. 02
    Paste your text
    Drop in plain text or Base64 — direction auto-detects.
  3. 03
    Copy the result
    Formatted output ready in the clipboard, instantly.
encodeLovable ❤︎ builders
TG92YWJsZSDinaTvuI4gYnVpbGRlcnM=
decodeaHR0cHM6Ly9sb3ZhYmxlLmRldg==
https://lovable.dev
encode{ ok: true }
eyBvazogdHJ1ZSB9
FAQ

Questions, answered.

Ready in 10 seconds.

Install once. Encode Base64 forever.

Add to Chrome