Privacy First • No Data Stored

Base64 Encoder Decoder

The fastest and most secure Base64 encoding and decoding tool. Convert text to Base64 and back with real-time processing, all happening locally in your browser.

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Lightning Fast

Real-time encoding and decoding as you type

100% Private

All operations happen locally in your browser

Developer Friendly

Perfect for APIs, data encoding, and web development

Encode & Decode Base64

Convert text to Base64 encoding or decode Base64 strings back to readable text. Perfect for developers working with data encoding, API integrations, and web development.

Encode to Base64
Enter plain text to convert it to Base64 encoding
0 characters
0 characters
Decode from Base64
Enter Base64 string to convert it back to readable text
0 characters
0 characters

What Developers Say

Trusted by developers and teams worldwide

"Finally, a Base64 tool that doesn't store my data! The real-time conversion is incredibly fast and the interface is clean."

JS

Jake Smith

Frontend Developer

"Perfect for API development. I use this daily for encoding tokens and it never fails. The privacy-first approach is exactly what I needed."

AM

Alex Morgan

Backend Engineer

"Love the simplicity and speed. No ads, no tracking, just a reliable tool that gets the job done. Bookmarked!"

SC

Sarah Chen

Full Stack Developer

Frequently Asked Questions

Everything you need to know about Base64 encoding and our tool

About Base64 Encoding

Key Features

Real-time encoding and decoding
Character count tracking
Copy to clipboard functionality
Error handling for invalid input
Sample data for testing
Mobile-responsive design

Common Use Cases

Web Development:Embedding images in CSS/HTML
API Integration:Authentication tokens
Email Systems:MIME attachments
Data Storage:Binary data in databases

This tool handles UTF-8 text encoding properly, ensuring that special characters and emojis are encoded and decoded correctly without any data loss.