Video Preflight & Upload Checker.
Measure a video before upload without sending the file anywhere or claiming that a platform will accept it. Inspect actual container, stream, codec, duration, dimension, frame-rate, audio, color and seekability facts locally, then compare them with explicit dated Custom constraints.
- ✓Runs in your browser
- ✓No account required
- ✓Verified output
Use Video Preflight & Upload Checker
Private in this browser. Video bytes, filenames, metadata values, constraints and reports stay in this browser and are not sent to a server.
No file selected.
Verified result
Download resultHow it works
- 01
Choose one locally readable video up to 250 MB.
- 02
Set the dated Custom size, duration, dimension and optional audio requirements.
- 03
Review hard facts separately from recommendations and download the independently verified sanitized report.
Frequently asked questions
Does the report include metadata values?
No. It lists metadata field names only.
Does a pass guarantee upload acceptance?
No. It only compares measured facts with the selected explicit constraints.
Does Video Preflight & Upload Checker upload my data?
Video Preflight & Upload Checker runs locally in your browser. Video bytes, filenames, metadata values, constraints and reports stay in this browser and are not sent to a server.