HTML CSS JS Compiler

Base64 Encoder

Encode text to Base64 in your browser.

Base64 Encoder converts text into Base64 for data URLs, simple transport demos, or embedding experiments.

Input
Output

When to use Base64 Encoder

  • Creating Base64 payloads for tests
  • Embedding small text samples
  • Teaching encoding basics

Example

Input

Hello 😀

Output

SGVsbG8g8J+YgA==

How to use

  1. Enter text. Paste the plain text to encode.
  2. Encode. Run to produce Base64 output.
  3. Use encoded value. Copy into your demo or config.

Processing and limitations

Encodes text as UTF-8 bytes and standard Base64, including emoji. Base64 is reversible encoding, not encryption. This text tool does not upload or convert binary files and does not emit Base64URL.

Reference

Benefits

  • Free to use—no account required
  • Runs in your browser
  • Instant results with no software install
  • Basic processing does not upload your content to a server
  • Encoding is not encryption. Anyone can decode Base64.

Not the same as

Decoding uses Base64 Decoder. URL escaping uses URL Encoder.

Related tools

HTML CSS JS Compiler Tools Base64 DecoderURL Encoder