Base64 File Converter
Convert any file into Base64 string format or decode Base64 back into downloadable files instantly in your browser.
About Base64 File Conversion
Learn how Base64 encoding works and why it's useful for web development and data transfers.
Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format. It is widely used in web development to embed small files—such as icons, images, or configuration payloads—directly inside HTML, CSS, or JSON files without requiring external asset links.
Universal File Encoding
Transform any file type—images, documents, archives, or code files—into a clean Base64 string instantly.
Instant File Recovery
Paste raw Base64 blocks or Data URIs to restore and download the original file back onto your device.
Data URI Support
Toggle optional Data URI prefix integration to format strings directly for CSS background rules or HTML image tags.
100% Secure & Private
All file processing happens locally in your browser memory. Your files are never uploaded to any remote server.
One-Click Copy
Quickly copy large Base64 outputs to your clipboard with clear visual confirmation states.
Lightning Fast
Leverages native browser APIs for high-performance encoding and decoding performance without lag.