Base64 Encoder / Decoder
Instantly encode plain text to Base64 or decode Base64 strings back to readable text. Works with UTF-8 encoding for full international character support.
Base64 Encoder / Decoder
Encode plain text to Base64 or decode Base64 back to readable text
What is Base64?
Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It's commonly used to embed images or files in HTML/CSS, transmit data in APIs, and store complex data in text-based formats.
This tool works with UTF-8 encoded text. For best results with special characters, ensure your text is properly encoded. Use the swap button to quickly switch between encoded and decoded views.
About Base64 Encoding
Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format using 64 different characters (A-Z, a-z, 0-9, +, /, and = for padding). It's widely used for transmitting data over media that are designed to handle textual data.
Web APIs
Encode binary data in JSON payloads and REST API responses
Email Attachments
MIME uses Base64 to encode email attachments as text
Data URIs
Embed images directly in HTML/CSS as data: URLs
Free online Base64 Encoder and Decoder. Convert text to Base64 and decode Base64 to text instantly. Supports UTF-8, real-time bidirectional conversion, error handling for invalid input, and clipboard copy support. Perfect for developers working with APIs, JWT tokens, and data URIs.
Save Configuration Snapshot
Save current parameters to your dashboard for instant one-click reloading.
About This Calculator & Guide
About the Base64 Encoder & Decoder - Encode & Decode Base64 Text Calculator
The Base64 Encoder & Decoder - Encode & Decode Base64 Text Calculator is a specialized online utility designed to help you free online base64 encoder and decoder. instantly convert plain text to base64 or decode base64 back to readable text with real-time conversion. It performs calculations in real-time to provide immediate, reliable estimates for study, work, or daily tasks.
How to Use
Simply enter your parameters in the input fields of the calculator widget above. The tool evaluates the inputs instantly and displays the results in real-time. You can modify any value to check alternate scenarios and compare figures dynamically.
Data Privacy & Safety
All calculations are executed locally within your web browser. No inputs are sent to our servers or stored externally, ensuring your personal and financial details remain completely private and secure.
FAQ
Frequently Asked Questions
What does the Base64 Encoder & Decoder - Encode & Decode Base64 Text do?+
Free online Base64 encoder and decoder. Instantly convert plain text to Base64 or decode Base64 back to readable text with real-time conversion. It is designed for quick everyday use and gives clear results without requiring a sign in.
Is the Base64 Encoder & Decoder - Encode & Decode Base64 Text free to use?+
Yes. The Base64 Encoder & Decoder - Encode & Decode Base64 Text is free to use online and works directly in your browser.
Can I use the Base64 Encoder & Decoder - Encode & Decode Base64 Text on mobile?+
Yes. The calculator layout is responsive, so you can use it on phones, tablets, laptops, and desktop screens.