How to open any file extension

Android Package — how to install, run or extract it on any device.

Split APK + OBB bundle — how to install it and what's inside.

The universal archive format — browse, preview and extract it online.

WinRAR's compressed archive — open and extract it right in your browser.

Disc image, firmware, or raw data — identify what's inside before opening it.

View pages, jump around, and extract all the text — right in your browser.

Not a real format — find out what it actually is and rename it.

Python source code — view it highlighted, or actually run it in your browser.

View the photo and check whether it's leaking your GPS location — then strip it.

Find out what's really inside it — and whether it's safe to delete.

View every sheet of an Excel workbook and export to CSV — no Excel needed.

The iPhone photo format — preview, check metadata, and convert to JPG.

Validate it, pinpoint syntax errors, and explore it as a collapsible tree.

Preview it, check real technical details, and see how much smaller it is than JPG.