Encode or decode Base64 strings instantly. Runs locally in your browser — nothing is sent to any server.
Toggle between encode and decode mode. Auto-detects Base64 input and offers to decode it.
Your data never leaves your browser. No API calls, no server, no tracking. Safe for tokens, keys, and sensitive data.
Press ⌘K, type "base64", paste your string. No need to open a new tab or visit an external website.
JSON formatter, JWT decode, URL encode, hash generator, and 44 other tools. All in one extension.
Base64 is a binary-to-text encoding that represents binary data as ASCII characters. It's commonly used for embedding data in URLs, emails, HTML, and API payloads.
Yes. ArcPanel runs entirely in your browser with zero network requests. Your data never touches a server — safe for API keys, tokens, and credentials.
Yes. ArcPanel handles both standard Base64 and URL-safe Base64 (with - and _ instead of + and /).
Yes. ArcPanel supports Unix-pipe-style chaining. For example: decode Base64 → format JSON → copy to clipboard, all in one flow.
49 developer tools, one keystroke away.
Add to Chrome — Free