Online Base64 Encoding Tool

Update time: 08/03/2025 03:48 PM

Tags: Base64

Tool Introduction:

Free online Base64 encoding tool. Input original text and convert to Standard Base64, URL Base64, or MIME Base64 format with one click. Supports special characters, ideal for data transmission, API development, and network communication.

Enter characters for Base64 encoding.

👉Difference between Standard, URL and MIME Base64

Base64 encoding result:

About Online Base64 Encoding Tool:

Base64 is an encoding method that represents binary data using 64 printable characters, one of the most common encoding methods for transmitting 8-bit byte code on the internet. These 64 printable characters include uppercase letters A-Z, lowercase letters a-z, numbers 0-9 (62 characters in total), plus two additional characters: + and /. This tool provides online string to Base64 string conversion functionality, also known as online Base64 encryption. This tool only supports Base64 encoding for strings. If you need to encode files to Base64, please use the file-specific Base64 encoding tool: Online File to Base64 Encoding Tool。

Uses of Base64:

1. Convert non-ASCII character data such as binary bytes to ASCII characters for easy copying and data transmission.
2. Better suited for transmitting longer data information in HTTP interactions.
3. Simple encoding, widely used, simpler data interaction and interface docking.
4. Can be applied to embed images in web pages to reduce HTTP requests and optimize page loading speed.