Base64 Encoder/Decoder
Convert between Base64 and original format with support for text, images, PDFs, and other files. Encode, decode, and validate Base64 instantly in your browser.
Choose Operation
Input Type
Enter input above to see results
Powerful Base64 Processing
Encode & Decode
Convert text and files to/from Base64 with real-time processing.
Real-time Validation
Instant Base64 validation with detailed error messages and suggestions.
Privacy First
All processing happens client-side. Your data never leaves your device.
File Support
Support for images, PDFs, documents, and other file types up to 50MB.
How to Use Base64 Converter
Choose Mode & Type
Select encode/decode mode and choose between text or file input.
Input Your Data
Enter text, paste Base64, or upload files with drag & drop support.
Get Results
View converted output, copy to clipboard, or download processed files.
Perfect for Developers
Web Development
- Embed images directly in HTML/CSS
- Convert files for data URLs
- Generate assets for web applications
- API data encoding and decoding
Data Processing
- Encode binary data for transmission
- Decode API responses and payloads
- Convert between different data formats
- Validate Base64 data integrity
Base64 Converter FAQ
Is the Base64 converter free?
Yes, completely free with no sign-up required. All processing happens in your browser.
What types of files can I process?
Text, images (JPEG, PNG, GIF, WebP), PDFs, documents, and most file types up to 50MB.
Is my data secure?
Absolutely. All Base64 processing happens client-side. Your files never leave your device.
What is URL-safe Base64?
URL-safe Base64 uses - and _ instead of + and /, making it safe for URLs and filenames.
Can I batch process files?
Yes, upload multiple files and process them simultaneously with batch operations.
What are the file size limits?
Individual files up to 50MB. For best performance, files under 10MB are recommended.
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