Crypto Tools
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Base64
Encode and decode Base64 for text, images, files, and HTTP Basic Auth headers.
Text Base64
Encode and decode text to/from Base64. Supports standard and Base64URL variants with auto-detection.
Mode
Variant
Input
Output
Image Base64
Convert images to Base64 strings or decode Base64 back to image preview.
Drag & drop an image here
or click to select a file
File Base64
Encode any file to Base64 or decode Base64 back to file with MIME type detection.
Drag & drop a file here
Max 10MB
HTTP Basic Auth
Generate or decode HTTP Basic Authentication headers.
Authorization Header