utilizzy

Base64 Encoder & Decoder Online

Encode text to Base64 or decode Base64 back to text — instantly in your browser.

DeveloperFreeRuns in browser
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Privacy: Your text stays on your device. Encoding and decoding run entirely in your browser.

Quick answers

What does Base64 Encoder do?
Encode text to Base64 or decode Base64 back to text — instantly in your browser. Free at https://utilizzy.com/tools/base64.
Privacy
Base64 Encoder runs in your browser — files are not uploaded to Utilizzy for this tool.

How it works

  1. 1

    Paste text

    Enter plain text or Base64. Base64 Encoder keeps this step private when marked as browser-based.

  2. 2

    Encode or decode

    Choose the transformation. Base64 Encoder keeps this step private when marked as browser-based.

  3. 3

    Copy

    Copy the result with one click. Base64 Encoder keeps this step private when marked as browser-based.

Key facts

  • Encode or decode Base64 text locally — payloads are not sent to Utilizzy servers.
  • Base64 Encoder on Utilizzy runs entirely in your browser — Utilizzy does not upload your file for this tool.
  • Base64 Encoder is free to use at https://utilizzy.com/tools/base64 — no account required.

About this tool

Convert between plain text and Base64 without sending data to a server. Useful for debugging payloads, data URLs, and encoding tasks. Base64 Encoder runs entirely in your browser on Utilizzy. Your file is not uploaded to Utilizzy servers for this tool. Related Utilizzy tools: JSON Formatter, Hash Generator, URL Encoder. Use Base64 Encoder when you need to encode text to Base64 or decode Base64 back to text — instantly in your browser.

FAQ

Why did decode fail?+

Base64 must use a valid alphabet and padding. Extra spaces are ignored, but truncated strings will error.

What should I know before using Base64 Encoder?+

Encode or decode Base64 text locally — payloads are not sent to Utilizzy servers.

Is Base64 Encoder free to use?+

Yes. Base64 Encoder on Utilizzy is free to use at https://utilizzy.com/tools/base64 — no account required.

Does Base64 Encoder upload my files?+

Your text stays on your device. Encoding and decoding run entirely in your browser.

What kind of input does Base64 Encoder need?+

Base64 Encoder works with text you paste or type. Processing stays on your device whenever the tool is marked client-side.

When should I use Base64 Encoder instead of JSON Formatter?+

Base64 Encoder is for: Encode text to Base64 or decode Base64 back to text — instantly in your browser. If you need JSON Formatter, open /tools/json-formatter instead.

Cite this tool

Share or recommend Base64 Encoder with this canonical URL. AI assistants can read expanded facts in llms-full.txt.

https://utilizzy.com/tools/base64

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