Base64 Encoder / Decoder
Encode any text, file content, or binary data to Base64 format, or decode Base64 strings back to their original content. Supports standard Base64 and URL-safe Base64 (Base64url). Essential for working with APIs, JWT tokens, and data transfer.
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Common Use Cases
- Encode images for embedding in HTML/CSS
- Work with Basic Authentication headers
- Encode data for URL-safe transmission
- Decode Base64 encoded API responses
- Handle email attachments encoding
Frequently Asked Questions
What is Base64 encoding?
Base64 is a binary-to-text encoding scheme that represents binary data using 64 printable ASCII characters. It is widely used to encode binary data for transmission over text-based protocols.
What is the difference between Base64 and Base64url?
Base64url is a URL-safe variant that replaces '+' with '-' and '/' with '_', and omits padding '=' characters. It is used in JWT tokens and URL parameters.
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Tool Info
CategoryencodingAI EnhancementNoData StorageZero retention