Base64 Encoder & Decoder — Free Online Tool
Need to encode or decode Base64 text? Our free online tool converts text to Base64 and back instantly. Supports Chinese characters, emoji, and full Unicode — no signup required.
Encode / Decode Base64 →How to Use Base64 Encoder
- Open the Base64 Encoder
- Paste your text in the input box
- Click "Encode" to convert to Base64, or "Decode" to convert back
- Copy the result
What is Base64?
Base64 is an encoding scheme that converts binary data into ASCII text. It's commonly used for embedding images in HTML/CSS (data URIs), encoding API credentials, and transferring binary data in text-based protocols.
Features
- Unicode Support — Handles Chinese, Japanese, Korean, and emoji
- Instant — Real-time encoding as you type
- Copy with One Click — No manual selection needed
FAQ
- Is my data safe?
- Yes. All encoding happens in your browser — nothing is sent anywhere.
- What's the difference between Base64 and encryption?
- Base64 is encoding, not encryption. It can be easily decoded. Don't use it for passwords.
📚 Related: JSON Formatter · URL Encoder