Free Online File Tools
Inspect APKs, extract resources from installers and connect Android devices with webadb, all in your browser.
APK Viewer
Select an APK to read its package name, version, signature scheme, certificate fingerprints, permissions and every entry inside the archive.
Open the APK viewerwebadb
Connect an Android device over USB to run shell commands, manage files, install APKs and capture screenshots in your browser.
Open webadbExtract Resources
Upload an EXE, MSI, APK or other installer and pull out the images, videos and animations stored inside, all in your browser.
Open the resource extractorHow the File Tools Work
Each tool reads your file locally and shows the parts you care about, without a server round trip.
| Step | Handled by | Where it runs |
|---|---|---|
| Reading the file | Browser File API | Your device |
| Parsing the archive | JavaScript ZIP reader | Your device |
| Reading the certificate | JavaScript X.509 parser | Your device |
| Showing the result | The page you are on | Your device |
Privacy: the file is read in memory and parsed on the spot. Nothing is uploaded to the 73hi server and nothing is stored after you close the tab.
File Tools FAQ
Are these file tools free?
Yes. The file tools on 73hi are free to use with no signup and no daily limit.
Is my file uploaded anywhere?
No. The file is read locally in your browser and parsed on the spot, so it never reaches the 73hi server.
Which file formats are supported?
Inspect APK files, extract resources from installers, or use webadb to manage files and apps on an Android device connected over USB.