Base64 File Converter - Encode Any Document to Copyable Base64
Convert images, documents, and SVGs into Base64 data URIs for direct HTML injection. Alternatively, decode Base64 data strings back into downloadable files.
✓ 100% Free & Unlimited✓ 100% Browser Local & Private✓ No Registration Required
How to use Base64 File Encoder & Decoder Online
Step 1: Drag and drop any small asset or file into the file upload target box.
Step 2: Copy the generated Base64 data URI string instantly to your clipboard.
Step 3: Paste a base64 string on the right-hand panel to reconstruct and download files.
Frequently Asked Questions
What are the benefits of encoding assets in Base64?
Encoding files into Base64 strings allows you to embed assets directly inside HTML/CSS files, reducing HTTP requests.
Does encoding increase the size of the file?
Yes, Base64 encoding typically increases the binary file size by approximately 33%.
Are my uploaded files sent to your servers?
Never. All encoding and decoding operations occur completely within your browser's sandbox.