Base64 Decoder

Free online Base64 decoder. Paste Base64 and get the decoded text instantly, with URL-safe support and clear error messages. 100% offline.

Paste a Base64 string to decode it back to readable text. URL-safe Base64 is supported and padding is fixed automatically.

Why use this converter

• 100% client-side — your data never leaves your browser
• Free and unlimited, no account required
• Works offline as an installable PWA, on desktop and mobile
• No ads and no tracking

Also known as

base64 decode · decode base64 · base64 to text · base64 decoder online

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