Developer

Base64 Encode & Decode Online

Encode text to Base64 or decode Base64 strings back to plain text.

100% Client-SideNo Data StoredFree ForeverNo Signup
Base64 Converter

How to Use Base64 Encoder/Decoder

  1. 1

    Select 'Encode' or 'Decode' mode.

  2. 2

    Paste your text or Base64 string into the input area.

  3. 3

    Click the button and copy the result.

About Base64 Encoder/Decoder

Encode text to Base64 or decode Base64 strings back to plain text with our free online tool. Base64 encoding is essential for embedding images in HTML, transmitting binary data through text-based protocols, and encoding data for URLs and APIs. Supports full UTF-8.

FRI

Built by

Fateh Raiyan Ishmum

Full-stack dev since 2020. Full-stack web developer since 2020. Builds privacy-first, open-web tools. Specialises in Next.js, TypeScript, and performance-focused design.

Frequently Asked Questions

Base64 represents binary data as ASCII text. It's commonly used to embed images in HTML/CSS, encode data in URLs, and transmit data in APIs.

No. Base64 is encoding, not encryption. Anyone can decode a Base64 string.

For embedding images inline in HTML/CSS, sending binary data in JSON APIs, encoding email attachments.

Yes. Full UTF-8 encoding, including emojis and non-Latin scripts.

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