Base64 Converter
Easily encode and decode text and data to Base64 format
Overview
The Base64 Converter is a free online tool that can encode and decode text and binary data to Base64 format. It's useful for email attachments, API data transfer, URL parameter passing, and various other applications. All processing happens instantly in your browser, ensuring complete data privacy.
How to Use in 3 Steps
Enter Your Text
Paste the text or Base64 string you want to convert into the input area.
Choose Conversion Method
Click "Encode" (text to Base64) or "Decode" (Base64 to text) button.
Copy the Result
The conversion result appears instantly. Use the "Copy" button to copy it to your clipboard.
User Testimonials
Developer Alex
This tool is incredibly useful for API testing when Base64 encoding is required. Simple and user-friendly!
Designer Sarah
I use it frequently for embedding images with data URI schemes. The fast conversion saves me time.
Engineer Mike
Perfect for checking JWT token contents. The decode feature is particularly handy.
Key Features & Benefits
Instant Conversion
All processing happens in your browser, providing instant results without server communication. Even large texts are processed quickly.
Complete Privacy Protection
All operations are performed locally, ensuring sensitive data remains secure. No data is ever sent to our servers.
Encode & Decode Support
Convert text to Base64 and decode Base64 back to text, all with one convenient tool.
Free & No Registration
No tedious registration or software installation required. Anyone can use it unlimited times with just a browser.
Mobile Compatible
Works perfectly on smartphones and tablets. Convert Base64 easily even when you're on the go.
Frequently Asked Questions
Q1. What is Base64?
A. Base64 is an encoding scheme that represents binary data in text format using 64 printable characters.
Q2. What is it used for?
A. It's widely used for email attachments, Web API data transfer, embedding images in HTML/CSS, and processing authentication tokens.
Q3. Is it secure?
A. All processing is done in your browser with no server communication. Your input data is completely protected.
Q4. Can I convert files too?
A. Currently, we only support text data. File conversion features are being considered for future updates.
Q5. Is there a character limit?
A. There's no specific limit, but extremely large data may not be processed due to browser memory constraints.