Base64 Encoder & Decoder
The Base64 Encoder and Decoder turns plain text into Base64 code and back again. Base64 is the standard way to carry binary data as plain text — it shows up in email attachments, web tokens, data URLs and configuration files, and in programming assignments where you need to store or send text safely. Paste your text, tap Encode, and you get the Base64 string; paste a Base64 string and tap Decode to get the original text back. It works with English and Urdu text alike. It is free and runs entirely in your browser, so nothing you paste is uploaded anywhere.
How to use it
- Paste or type your text in the box.
- Tap "Encode to Base64" to convert text into Base64, or "Decode from Base64" to convert Base64 back into text.
- Tap "Copy" to copy the result.
- If a Base64 string is invalid, the tool shows a message instead of a result.
Worked example
Encode the text Hello and the tool gives SGVsbG8=. Decode SGVsbG8= and you get Hello back.
Frequently Asked Questions
Q: What is Base64 used for?
A: It represents binary data as plain ASCII text, so it can travel safely through email, web addresses and text files that only accept plain characters.
Q: Does it work with Urdu text?
A: Yes. The tool handles Unicode text, so Urdu and other non-English text encodes and decodes correctly.
Q: Is my text uploaded anywhere?
A: No. Encoding and decoding happen in your browser and nothing leaves your device.
Also see: URL Encoder / Decoder · JSON Formatter & Validator · Solved MCQs by course.
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