Frequently Asked Questions
Everything you need to know about using InstantMP4.
Is InstantMP4 completely free to use?
Yes, absolutely. There are no hidden subscription tiers, sign-up requirements, or premium payment walls. You can convert and download files completely free of charge.
Do I need to install any software or extensions?
No installations are necessary. Our entire conversion engine operates directly inside your web browser, keeping your device clean and saving local storage space.
Why can’t I select 1080p or 4K resolution on some videos?
Resolution availability depends entirely on the master file uploaded by the content creator. If a video was originally uploaded in 720p, higher resolutions will not be accessible.
How do I download MP4 videos on my iPhone or Android?
On iPhone, use Safari’s built-in download manager to select “Save to Files.” On Android devices, files download straight to your local Downloads folder or gallery app.
Can I extract audio tracks as MP3 files?
Yes! Simply choose the “MP3 Audio” option from our quick selection pills before running your conversion sequence.