Developer Tools · 100% Free
Base64 Encoder & Decoder
Encode text to Base64 or decode Base64 back to readable text. Full Unicode support means emojis and non-English scripts work perfectly — all processed locally.
How to Use the Base64 Encoder
1
Type or paste your text into the input box.
2
Click Encode → Base64 or Decode Base64 →.
3
Read the result in the output box.
4
Use Swap to flip input and output, or Copy to grab the result.
Why Use Our Base64 Encoder?
- Unicode-safe. Proper UTF-8 handling — emojis and all languages encode correctly.
- Two-way. Encode and decode in the same tool with one click each.
- Instant. No page reloads; results appear immediately.
- Private. Your text never leaves your browser.
Base64 Encoder FAQs
Base64 represents binary data as plain ASCII text, commonly used for embedding images in code, API tokens and email attachments.
Padding characters (=) fill the output to a multiple of 4 characters. They are normal and required for correct decoding.
Yes. The tool encodes proper UTF-8 bytes, so any Unicode text — emojis, Urdu, Arabic, Chinese — round-trips perfectly.
No. Base64 is encoding, not encryption — anyone can decode it. Never use it to hide secrets; use real encryption or a password manager.
Paste it into the input, click Decode Base64, and the original text appears in the output box.
No. Encoding and decoding happen entirely in your browser.
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