MP4 to AVI converter
Upload a MP4, get a polished AVI back in seconds. StandardsPDF handles the conversion in your browser so your files stay yours.
Convert MP4 to AVI
Drop your files to try StandardsPDF. This tool is available in the full workspace.
Keeps the video stream and audio track in sync
Lets you pick a quality preset to balance size and clarity
Downloads a ready-to-use AVI you can share immediately
Files auto-deleted from our servers within 60 minutes
How it works
Convert MP4 to AVI in 3 steps
Upload or drag in your MP4 file
Choose your output options if you need them
Download the finished AVI
Private by default
Files are encrypted in transit and deleted within 60 minutes.
Fast
Most jobs finish in under 10 seconds. No queueing.
No signup on free tier
5 documents per day, no credit card required.
FAQ
Frequently asked questions
How do I convert MP4 to AVI?+
Upload your MP4 file (or drag it onto the box above), wait a few seconds while StandardsPDF converts it in your browser, then download the AVI. There is nothing to install and no account required.
Is converting MP4 to AVI free?+
Yes. MP4 to AVI conversion is free on the StandardsPDF free tier – no watermark, no signup, and no credit card. A Pro tier lifts the file-size and daily limits if you need more.
Will the AVI keep the quality of my MP4?+
StandardsPDF aims for the highest fidelity the AVI format allows, so your video comes through looking as close to the original as possible. Some format-specific details may adapt where AVI works differently to MP4.
Will the audio from my MP4 stay in sync in the AVI?+
Yes – when converting MP4 to AVI the audio track is muxed back with the video so playback stays perfectly in sync.
What is the maximum MP4 file size I can convert to AVI?+
Up to 100 MB per MP4 on the free tier and 2 GB on Pro. If your MP4 is larger, split it first or upgrade for the higher limit.
Can I convert several MP4 files to AVI at once?+
Yes – add multiple MP4 files and StandardsPDF processes them as a batch, returning a AVI for each.
Can I convert MP4 to AVI on my phone?+
Yes – the MP4 to AVI converter is fully responsive and works in Safari, Chrome and other modern browsers on iOS, Android and iPadOS.
How long does a MP4 to AVI conversion take?+
Most MP4 files convert to AVI in a few seconds. Larger or higher-resolution files take a little longer, but there is never a queue on the free tier.