Base64 Encoder
Encode text or files to Base64 format instantly in your browser.
How to Use Base64 Encoder
- 1
Type or paste the text you want to encode.
- 2
The Base64 output updates in real time.
- 3
Click "Copy" to copy the encoded string.
- 4
Use the decoded output in your code, API calls, or emails.
Frequently Asked Questions
What is Base64 encoding?▾
Base64 converts binary/text data into an ASCII string using 64 printable characters, safe for transmission.
When should I use Base64?▾
Use it for embedding images in HTML/CSS, Basic Auth headers, or transmitting binary data as text.
Does encoding compress data?▾
No — Base64 increases data size by ~33%. It encodes, not compresses.
Related Tools
Related Tools
Discover other tools that work great with Base64 Encoder
Base64 Decoder
Decode Base64 strings to plain text online for free.
Explore More Tools →URL Encoder
Encode URLs and strings with percent-encoding online for free.
Explore More Tools →JSON Formatter
Beautify and format JSON data instantly online.
Explore More Tools →JSON Validator
Check if your JSON is valid in one click.
Explore More Tools →UUID Generator
Create random UUIDs (v4) online for free.
Explore More Tools →QR Code Generator
Create free QR codes online for URLs, text, WiFi, and more.
Explore More Tools →Related Articles & Guides
Learn more about using tools effectively
Tool Comparisons
Compare features and choose the right tool
Popular Alternatives
Free alternatives to popular paid tools
Best Tools Collections
Curated lists of top-rated tools