Base64 Encode/Decode

Encode text to Base64 or decode a Base64 value locally.

Translate text using the browser’s built-in Unicode-safe encoding path.

Your inputs stay on your device

Encode or decode Base64

live result

Input

Mode

Output

SGVsbG8sIEJpeW9Ub29sIQ==

Text stays in this browser tab. Review generated or formatted output before using it in production code or published content.

Context & Reference

For locally encoding text as Base64 or reading it back.

encoder guide

Uses browser Base64 functions with Unicode-safe text conversion.

Use this encoder with your own values, then review the clearly labelled result and copy it when you need it elsewhere.

Output is the encoded string or decoded text.

Encode “Hello, 世界”.

Decoding rejects invalid Base64 input.

This encoder runs locally in this browser. Decoding rejects invalid Base64 input.

Useful next steps

Continue with a closely related task, calculation, conversion, or local text tool.

Encode or decode text for safe use inside a URL component.

Escape or unescape common HTML entities such as ampersands and angle brackets.

Count words, characters, sentences, and reading time.

Track characters, spaces, words, lines, and paragraphs.

Transform text to sentence, title, upper, or lower case.

Validate JSON and format it with readable indentation.