Universal File Viewer
Preview images, audio, video, PDFs, and text — with hex fallback for anything else.
How to Use
- Drop any file.
- View mode auto-switches based on type.
- Nothing uploads; everything stays local.
Supported
About the Universal File Viewer
The Universal File Viewer gives you a fast, free answer for image, audio and file tasks without sending anything off your device. Preview images, audio, video, PDFs, and text — with hex fallback for anything else.
How it works
Type in what you have, and the answer shows up right away. Change anything and it updates by itself. Everything runs in your browser, so it is fast and nothing you type is sent away.
Want the deeper story? The Knowledge Base explains the ideas behind the tools in more detail.
Frequently Asked Questions
Supported?
Anything the browser can natively render plus text and hex for the rest.
PDFs?
Rendered via browser's built-in PDF engine (iframe).
How do I use the Universal File Viewer?
Just type your numbers. The answer shows up right away — there is no button to press. Change anything and it updates by itself.
Does it cost anything or need an account?
No. The tool is completely free, there is no account to create, and it keeps working offline after the page first loads.
Is anything I type uploaded?
No. The tool works entirely on your device, so the values you enter never leave your browser.
Common Use Cases
Quick peek
Without installing a dedicated app.
Unknown file
Hex fallback shows what it really is.
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