ConvertTOONConvertTOON

Base64 Decode Online

Decode Base64 encoded text instantly. Free online Base64 decoder for reading encoded data.

🔒 100% Client-side⚡ Instant🆓 Free forever

Input

0 tokens
Output
About Base64 Decode Online
Decode Base64 encoded text instantly. Free online Base64 decoder for reading encoded data. This tool is part of the ConvertTOON developer tools suite, providing 40+ free online utilities for developers.
All processing happens entirely in your browser — your data never leaves your device. No sign-up required, no data collection, completely free and private.
💡 Looking for more tools? Visit ConvertTOON.com for JSON to TOON conversion, batch processing, and 40+ developer tools.
How to Convert Base64 to Text
  1. Paste your Base64 data in the input panel
  2. The Text output is generated automatically
  3. Click “Copy” to copy the result to clipboard
  4. Or click “Convert” to manually trigger conversion
Base64 decoding converts Base64-encoded ASCII text back to its original binary or text format. This is essential for reading encoded API responses, decoding JWT payloads, and extracting embedded data from HTML and emails.
Frequently Asked Questions
Is my data secure?
Yes. All conversion happens 100% in your browser using JavaScript. No data is ever sent to a server.
Is there a file size limit?
The tool handles files up to several MB comfortably. For very large files, consider using our batch converter or API.
Can I use this programmatically?
Yes! We offer a free REST API at /api/convert/base64-decode and an NPM package for Node.js integration.
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