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26 answers about limits, formats, privacy and what to do when something fails. Written from how the system actually behaves.
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26 answersWhat is FlipMyFile?
A free set of tools for converting, compressing and editing images and videos. You pick a tool, drop a file in, and get the result back. There is no account, no watermark and no upsell.
The work happens on our server rather than in your browser, which means an old phone gets exactly the same result and speed as a desktop workstation.
Was this helpful?Do I need an account?
No, and there is no way to create one. We do not have accounts, logins or profiles at all.
That is a deliberate choice rather than a missing feature: without accounts there is no password database to leak, no email list to lose, and nothing tying a converted file back to a person.
Was this helpful?Is it really free? What is the catch?
It is free, and there is currently no paid tier at all. The limits described on this page apply to everyone equally — there is no larger allowance to buy.
The honest catch is capacity. This runs on a single modest server, so the limits exist because of what the hardware can actually do, not to push you towards a subscription.
Was this helpful?Do you add a watermark?
No. The file you download is the file you converted, with nothing added to it. There is no paid tier that removes a watermark because there is no watermark to remove.
Was this helpful?Does it work on my phone?
Yes. Everything runs in the browser and the processing happens on our server, so your phone only needs to upload the file and download the result.
On a phone you can also take a screenshot and paste it straight into a tool with the paste shortcut, instead of saving it first.
Was this helpful?Is there a file size limit?
Yes. Images are capped at 50 MB per file and videos at 200 MB. Reverse Video is stricter at 60 MB because of how much memory that particular operation needs.
Images also have a limit on pixel count — 80 megapixels for most tools, 40 for AVIF and HEIC. A file can be small on disk and still expand to something enormous once decoded, and that is what actually consumes memory.
Was this helpful?How long can a video be?
Up to 10 minutes for most video tools, and up to 1080p. MP4 to GIF is capped at 30 seconds because GIF file sizes grow very quickly with length.
Reverse Video is capped at 15 seconds. That one is not an arbitrary policy: reversing cannot be streamed, so every decoded frame has to be held in memory at once. Fifteen seconds of 720p is already over a gigabyte.
Was this helpful?Can I convert several files at once?
Yes, for image tools. Drop in as many as you like — they are uploaded three at a time and processed as the workers free up, so you can watch each one progress.
When they finish you can download them individually or take the whole set as a single ZIP. Video tools are one file at a time, because a single video already uses most of the machine.
Was this helpful?How long can I download my file?
Converted files stay available for 24 hours, then they are deleted automatically. The file you uploaded is deleted much sooner — as soon as the conversion finishes, and in any case within two hours.
If you share a result link, whoever has it can download until that same 24-hour deadline. After that the link returns a clear "expired" message rather than a broken page.
Was this helpful?Which formats are supported?
Images: PNG, JPG, WEBP, AVIF and HEIC, in the useful directions between them, plus compression, resizing and cropping.
Video: MP4, MOV and WEBM in, with MP4, GIF and MP3 out, plus resize, rotate, mute, speed change, trim and reverse.
PDF tools are not built yet. If you came here looking for them, they are on the list but not available today.
Was this helpful?Do you store my files?
Only for as long as the job needs them. Your upload is deleted the moment the conversion finishes, and a cleanup job sweeps every 15 minutes to catch anything left behind. Nothing survives past 24 hours.
Files are saved under a randomly generated name that has no relationship to the name you uploaded, and they are never placed in a directory the web server can serve directly. The only way to reach one is through a download link containing a random identifier.
Was this helpful?Does anyone look at my files?
No. There is no review process, no moderation queue and no analytics that inspect content. The only thing that ever opens your file is the conversion program itself.
Our logs record which tool was used, the file sizes and whether it succeeded. They do not record filenames.
Was this helpful?What do you keep about me?
A keyed hash of your IP address — not the address itself — used purely for rate limiting. We cannot turn it back into an IP, and it is useless to anyone who obtained the database.
Alongside that: which tool ran, the input and output sizes, whether it worked, and the timestamps. That is the complete list. There are no accounts, no advertising cookies and no cross-site trackers.
Was this helpful?What happens to EXIF data in my photos?
It is removed by default. Photos taken on a phone usually carry the GPS coordinates of where they were shot, along with the camera serial number and exact timestamp — information most people have no idea they are publishing when they post an image.
Every image tool has a "Keep EXIF metadata" switch if you actually need that data preserved. Orientation is handled separately and always applied correctly, so portrait photos never come back sideways.
Was this helpful?What happens to transparency when I convert to JPG?
JPG has no transparency channel at all, so every transparent pixel has to become a solid colour. We fill with white by default, which is what most people expect on a web page, and you can pick black or any custom colour before converting.
If you need to keep transparency, convert to WEBP instead — it supports a full alpha channel and produces much smaller files than PNG.
Was this helpful?Which quality setting should I use?
Balanced, unless you have a specific reason not to. You are not picking a compression number here — you are picking how much visible difference you will accept, and we work out the number for your particular image.
After encoding we compare the result against your original using a structural similarity measurement, then search for the smallest file that still meets the bar. Best quality holds a similarity of 0.998, Balanced 0.99, Smallest file 0.98. Nothing on this site ever goes below 0.98, which is where softening first becomes noticeable.
This matters because a fixed number is wrong for most images. On a smooth photograph, quality 85 wastes bytes for detail nobody can see; on a heavily textured one, the same 85 is already at the edge of visible damage.
Was this helpful?Why did my file barely get smaller?
It was almost certainly compressed already. Most phones and every website compress images on export, and there is only so much redundancy in a file. Once it is gone, a second pass mostly just degrades quality without saving bytes.
For PNG specifically: palette compression works by reducing the number of distinct colours, which is dramatic on screenshots and logos but does almost nothing for photographs. Convert those to JPG or WEBP instead.
Was this helpful?Should I use PNG or JPG?
JPG for photographs — it is far smaller and the loss is invisible at sensible quality settings. PNG for anything with sharp edges, flat colour blocks or transparency: logos, icons, screenshots, diagrams.
If browser support is your only concern, WEBP beats both and handles transparency as well.
Was this helpful?Why is my video taking so long?
Because video encoding is genuinely one of the heaviest things you can ask a computer to do. A one-minute 1080p clip is around 1,800 individual frames, each of which is a full image that has to be decoded, transformed and re-encoded.
We deliberately run video jobs one at a time and pinned to a single processor thread. That makes each job slower than it could be, but it keeps the website responsive for everyone else instead of the whole machine seizing up.
Was this helpful?Will converting lose video quality?
A small amount, and usually not enough to see. We encode at CRF 23, which is visually transparent for most footage.
Two operations lose nothing at all: Mute Video copies the picture across byte for byte, and Video Trimmer in fast mode copies both streams without re-encoding.
Was this helpful?My phone video plays sideways. How do I fix it?
Use Rotate Video. Phones record in one orientation and write a rotation flag into the file rather than rotating the actual picture. Phone galleries read that flag; plenty of desktop players and upload forms ignore it.
Rotating with our tool changes the pixels themselves and clears the flag, so the fix travels with the file wherever it goes.
Was this helpful?My conversion failed. What went wrong?
The message on the failed file tells you which of these it was. "We could not recognise that file" means the contents do not match any format we support — often a file that was renamed rather than converted, or a download that was cut short.
"This tool accepts X but that file is actually Y" means exactly that: we check the real contents rather than trusting the file extension, so a JPG renamed to .png is caught.
If the message mentions a size or pixel limit, the file is simply over the cap. Resize it first, then convert.
Was this helpful?I got a "too many files recently" message.
You have hit the rolling limit: 400 image jobs or 25 video jobs per ten minutes from one address. It resets on its own, and the message tells you roughly when.
These numbers are set high enough that normal use never reaches them — converting an entire folder of photos is well inside the allowance.
Was this helpful?My iPhone HEIC photo will not convert.
Check that it really is a HEIC file. Some apps hand over a JPG copy with a .heic name, in which case use a JPG tool instead — the error message tells you what the file actually is.
If you see "HEIC support is temporarily unavailable", that is on us rather than your file. It means the decoder on the server is not responding; try again shortly.
Was this helpful?My download link says it has expired.
Converted files are deleted 24 hours after they are created, and the link stops working at that point. There is no way to recover one — the file is genuinely gone from the disk, not just hidden.
Convert the original again and download it straight away. Nothing is lost as long as you still have the file you started with.
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