DevForge

Base64 Decoder

Decode Base64 strings back to readable text instantly in your browser. Text only — for images, use a dedicated Base64-to-image tool.

Input
OutputREADY

Unicode Safe

Correctly decodes multi-byte characters and emoji, not just ASCII.

Clear Error Messages

Distinguishes invalid Base64 syntax from bytes that just aren’t valid UTF-8.

Handles Large Text

Decodes strings up to 50MB without freezing the page.

Frequently Asked Questions

We use a small amount of analytics to understand how DevForge is used. Nothing you paste into any tool is ever collected — that stays in your browser. Learn more.