Upload a file and get its size, type and other details right away.
or drop files here
Mystery attachments and oversized uploads cause endless rejections — inspect any file here first and see its exact type, size and key details.
Drop the file into the inspector.
Read its reported type, size and other attributes instantly.
Confirm it matches what the destination system expects.
Convert, compress, or rename as needed before you upload.
Instant file details, no installation, and inspection that never leaves your device.
See the reported type and size of a file before a portal rejects it.
Spot a mismatched or mislabeled file before it costs you a failed submission.
Sizes are shown in units that make sense, so comparing against a portal cap takes one look.
Confirm the format first so you pick the right converter tool on the first try.
The file never leaves your computer during the check.
Read the reported size and compare it against the cap directly. If it is over, compress or convert the file first, then check again before uploading.
The system could not map the file to a specific known type, often because the extension is unusual. Treat it as unidentified rather than assuming what it is.
Yes. The checker reports basic details for any file the browser can read, without running the file or opening its contents.
No. The inspection is read-only and the file on disk stays exactly as it was.
The tool works in all modern browsers including Google Chrome, Mozilla Firefox, Microsoft Edge, Safari and Opera. We recommend keeping your browser up to date for the best experience.
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