How to use: Base64 Encoder
Base64 Encoder is a free online Encoding Tools tool that encode text, JSON, URLs or files to Base64, standard or URL-safe instantly in your browser. Paste your data, adjust the options and get the result in real time — no installation, no sign-up, and nothing is ever uploaded to a server.
Description
Encode text, JSON, URLs or files to Base64, standard or URL-safe.
- Encoding Tools
- Because everything is computed client-side, Base64 Encoder is safe to use with sensitive data such as API keys, tokens or private logs.
How to use
Using Base64 Encoder takes three steps:
- Paste your data into the input box (or load the example).
- Configure the options to match your target format or scenario.
- Copy, download or inspect the output — it updates live as you type.
Run
Examples
Encodes UTF-8 text to Base64.
Input
Hello, World! 你好
Output
SGVsbG8sIFdvcmxkISDkvaDlpb0=
This output was produced by actually running the tool, not written by hand.
Use cases
Common situations where Base64 Encoder helps:
- Encode text, JSON, URLs or files to Base64, standard or URL-safe.
Parameters
This tool has no options — it works on the input alone.
FAQ
What is Base64 Encoder?
Base64 Encoder encode text, JSON, URLs or files to Base64, standard or URL-safe. It runs entirely in your browser, so your data stays private.
Is Base64 Encoder free to use?
Yes. Base64 Encoder is free, unlimited and works without registration or installation.
Does my data get uploaded?
No. All processing happens locally in your browser; nothing is sent to any server.
Good to know
- Everything runs client-side, so extremely large inputs are limited by your browser tab’s memory rather than by a server upload limit.