Base64 Text Decoder
Convert Base64 encoded strings back to readable text instantly. Supports standard and URL-safe Base64 formats.
Base64 Input
0 characters
Decoded Text
0 characters
Read-only output
Secure Decoding
Your Base64 strings are decoded locally in your browser. No data is sent to our servers.
Instant Results
Get your decoded text instantly with real-time validation and character counting.
Format Validation
Automatic validation of Base64 format with visual indicators for valid/invalid input.
Common Use Cases
API Response Decoding
Decode Base64 encoded data from API responses or configuration files.
const decoded = atob('SGVsbG8gV29ybGQ=');
Data Extraction
Extract original text from Base64 encoded strings in logs or data files.
console.log(atob('VGVzdCBEYXRh'));