Base64 Encoder/Decoder
Encode and decode text or files to/from Base64 format. Perfect for data transmission, storage, and embedding binary data in text-based formats.
⚠️ Important Security Notice
Base64 encoding should not be used to obfuscate malicious code. Use this function only for legitimate purposes such as data transmission or storage.
Input
Enter text or upload a file to encode/decode
Output
Base64 encoded result
Features
Text Encoding
Encode and decode text to/from Base64 format
File Support
Upload and process any file type
Bidirectional
Both encoding and decoding operations
Sample Texts
Pre-loaded examples for testing
Copy & Download
Easy copying and file download options
Privacy First
All processing happens in your browser
How to Use Our Base64 Encoder/Decoder
Encoding Process
- 1Enter text or upload a file in the input field
 - 2Click "Encode" to convert to Base64 format
 - 3Copy the Base64 result or download as file
 
Decoding Process
- 1Paste your Base64 string in the input field
 - 2Click "Decode" to convert back to original format
 - 3View the decoded text or download the file
 
Common Use Cases for Base64 Encoding
Web Development
Embed images and files directly in HTML, CSS, and JavaScript without separate file requests.
API Development
Send binary data through JSON APIs and REST endpoints that only accept text data.
Email Attachments
Include file attachments in email messages using MIME encoding with Base64.
Database Storage
Store binary data in text-based database fields and configuration files.
Data Transmission
Send binary data over text-only protocols like HTTP headers and URL parameters.
Configuration Files
Store binary data like certificates and keys in text-based configuration files.
Frequently Asked Questions
What is Base64 encoding used for?
Base64 encoding is commonly used for embedding binary data in text-based formats like JSON, XML, and email. It's also used for data transmission over protocols that only support text, such as HTTP headers and URLs.
Is Base64 encoding secure?
Base64 is an encoding method, not encryption. It's not secure for protecting sensitive data as it can be easily decoded by anyone. For security, use proper encryption methods instead.
Can I encode files with this tool?
Yes! Our Base64 encoder supports both text and file encoding. You can upload files and get their Base64 representation, or decode Base64 strings back to their original format.
Is the Base64 encoder free to use?
Absolutely! Our Base64 encoder/decoder is completely free to use with no registration required. You can encode and decode unlimited data without any restrictions.
What file types can I encode?
You can encode any file type including images (PNG, JPG, GIF), documents (PDF, DOC), audio files, videos, and any other binary data format.
Does the tool store my data?
No, your data is never stored or transmitted to our servers. All encoding and decoding happens locally in your browser, ensuring complete privacy and security.