Base64 File Converter Online
Convert files to Base64 data URLs or raw Base64 and decode Base64 back into downloadable files.
Best For
Use Base64 File Converter when you need to inspect, convert, compare, or package technical material quickly. The page is designed around a focused workflow: bring in the code, data, markup, URL, or technical file, make the adjustment or check, then copy or download the result for your repo, ticket, documentation, or handoff.
Most work happens locally in your browser, which keeps files and text on your device and makes quick repeat checks practical. Review the output, then copy or download the result for your repo, ticket, documentation, or handoff.
Common workflows
- Base64 File Converter for Image Data URLs
- Base64 File Converter for Decoding Base64 Files
- Base64 File Converter for API Payload Files
- Base64 File Converter for CSS Inline Assets
Features
File to Base64
Choose a local file and convert it to a data URL or raw Base64 string.
Base64 to File
Paste Base64 and download it as a decoded file with your chosen name and extension.
Image Preview
Preview image data URLs and image Base64 output before downloading or copying.
How It Works
Choose a file to encode or paste Base64 to decode.
Copy the Base64 string, inspect the data URL, or preview image content before using it.
Download decoded files with a custom filename and extension.
Frequently Asked Questions
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