BYTEKIT
dev tools
Home All Tools About
⚡ 17 Free Tools
Base64 Encoder / Decoder
Encode · Decode · Base64

Free online Base64 encoder and decoder. Encode text to Base64 or decode Base64 strings back to plain text instantly in your browser. No login required.

✓ Free Forever ✓ No Login ✓ 100% Client-Side ✓ No Data Sent ✓ Mobile Friendly
⇌ BASE64 ENCODER / DECODER Encode · Decode · Base64
Input
Output
Input 0B
Output 0B
Frequently Asked Questions
What is Base64?
Base64 is an encoding scheme that converts binary data into ASCII text, commonly used in emails, data URLs and API tokens.
When should I use Base64 encoding?
Use it when you need to transmit binary data over text-based protocols, embed images in HTML/CSS, or store binary data in JSON.
Is my data safe?
Yes — encoding/decoding happens entirely in your browser with no server calls.
// Other ByteKit Tools