If you have ever plugged an iPhone into a Windows PC and found a folder full of files that nothing will open, you already know why this site exists. Apple switched its cameras to HEIC years ago because the format stores an image at roughly half the size of an equivalent JPEG, and Windows never fully caught up. So people search for a HEIC converter, and heictojpg.com is usually near the top of the results.
The tool itself is about as plain as software gets. You open heictojpg.com, add your HEIC files, and download JPGs. There is nothing to configure and nothing to sign up for. HEIC in, JPG out.

What is less obvious is who is behind it. The site is run by Beamr Imaging Ltd., which its terms name directly, and the page carries a "Powered by JPEGmini" line. JPEGmini is Beamr's photo compression product, and it has a genuine track record in independent testing, which we come back to in the performance section. So this is not an anonymous domain slapped together to farm uploads. It is a marketing front door for a real compression business, and the free converter is the lead magnet.
That matters for the safety question, because it changes what you are actually asking. The question is not whether this site will steal your photos. It is whether you are comfortable with what a real company has written into its own legal text. Those are different questions, and the second one has a documented answer that almost nobody ranking for this brand has bothered to look up.

Worth separating two jobs while we are here. Converting HEIC and merely viewing HEIC are not the same thing, and people conflate them constantly. If all you want is to see the photos in File Explorer, a converter is the wrong tool and a codec is the right one, which is why Windows Photos refusing to open HEIC is a separate problem with a separate fix.

Here is what the tool actually gives you, based on its own pages.

Notice what is not on that list. No PNG output. No quality slider. No stated EXIF policy. No published per-file size limit. The tool is deliberately narrow, and for its narrow job that is a design choice, not a defect. It becomes a defect the moment your job is wider than JPG-only.

Pricing first, because it is short. The web converter is free. There is no premium plan on the page and no card to enter. Monetization runs on two other rails: a Google ad slot in the side panel, and the cross-sell of the desktop JPEGmini app, which is a different product with its own pricing that this review does not cover.
The free web batch stops at 200 photos, and Beamr is not hiding it. The figure sits in the page title, in the meta description, and on the upload button itself. What Beamr does not publish anywhere we could find, neither on the converter page nor in its legal text, is a per-file size ceiling. The photo count is documented. The megabytes are not.

Now performance, which splits into two parts that people constantly merge.
The compression engine is the good part. JPEGmini has been put through hands-on tests by the photography press for years.

The Phoblographer's hands-on review found a 65 percent size cut while keeping 95 percent of the quality, and could not distinguish an 8x10 print of the optimized file from the original. Macworld put the range for camera originals at half to 80 percent, with web-sized images shrinking a more modest 20 to 40 percent. Those are real numbers from real tests, and they apply to the engine sitting under this converter.
The conversion speed of the web tool is the part we will not pretend to have measured. The only published figure comes from a review on macxdvd.com, which reports around ten seconds per photo and batches that "tend to get stuck". That review is content marketing for a rival desktop converter, so treat it as an interested party's claim rather than an independent benchmark. We flag it because you will find it repeated elsewhere as fact, and it is not one.

The number that does matter, and that nobody in the search results seems to have looked up, sits in Beamr's legal text.

Read the practical consequence of that clause carefully, because it cuts both ways. On one hand it is a deletion promise, and a specific one, which is more than most free converters offer. On the other, it means your finished JPGs live on a server you do not control until you come back and collect them. Close the tab, get pulled into a meeting, come back on Friday, and the JPGs are gone, along with the HEIC original.

The converter page itself says something else. Its subheading promises "Your files are deleted immediately after conversion", while the Terms give the 48-hour window. Same vendor, two different answers, and only one of them is the one you agreed to.
Then there is the clause that made us drop half a star.

Broad licence language like this is common in the small print of free upload services, and we found no evidence that Beamr does anything unusual with the files. But "perpetual" and "irrevocable" are strong words to accept in exchange for converting a photo, and the deletion promise and the permanent licence sit in the same document. Whether the trade is acceptable depends entirely on what is in the pictures. Vacation shots of a mountain, probably fine. Photos of your children, your passport, a client contract, a medical document: that is your call to make with the actual wording in front of you, which is exactly why we quoted it rather than summarized it.

The first limit is structural rather than a bug. A web converter has to receive your file before it can convert it. That means every HEIC you convert makes a round trip through someone else's infrastructure. Community threads on this are consistent and long-running. On Apple's own discussion forums the recurring line about online converters is that you never really know how secure the site is or what may happen to your photos, and a developer on Reddit explained building a client-side HEIC tool precisely because most online converters make you upload private photos to their servers. Nobody is accusing heictojpg.com of misbehaviour. The discomfort is with architecture itself, and architecture is not going to change.

The second limit is the output. HEIC goes in, JPG comes out, and that is the entire menu. There is no PNG, no TIFF, and no quality slider to trade size against sharpness. If what you need is to convert HEIC to PNG instead, this tool cannot help you at all, and if you want to control the compression rather than accept whatever JPEGmini decides, there is no control to reach for.
The third limit is metadata, and people usually discover it afterwards. Search any photography forum and you will find the same complaint about HEIC-to-JPG workflows in general, from Adobe's community to Apple's, where users report that the "date taken" field disappears and their photo library stops sorting chronologically. Here is the honest position on heictojpg.com specifically. Its homepage, its FAQ and its legal text say nothing whatsoever about EXIF handling. We checked all three. So we will not tell you it strips your metadata, because that is not documented, and we will not tell you it preserves it either. What we will say is that a tool handling your entire photo history should not be silent on the question.

The fourth limit is volume, and this is where most Windows users actually get stuck. A typical iPhone import is not five photos, it is several hundred, and Microsoft's own community forum is full of people asking how to convert around a thousand HEIC files without doing it one at a time. Windows still ships no native batch converter. Uploading a thousand photos through a browser, waiting, then downloading a thousand JPGs back is not a workflow, it is an afternoon. The moment your job looks like that, you want a way to convert HEIC to JPG in bulk that never opens a browser tab.

Once you accept that the real constraint is where the conversion happens, the fix is obvious. Do it locally. SoftOrbits HEIC to JPG Converter is our answer to that, and yes, we make it, which is exactly why we are going to be specific rather than enthusiastic.

Conversion uses all your CPU cores at once, and the .heic files stay on the drive they already sit on. You point the app at a folder instead of picking photos one by one, so a thousand-photo import becomes one drag and one click. Output is JPEG by default, with other formats there when you need them. HDR and the original wide-gamut colors are preserved instead of being flattened, and the app can rename each JPG by the date the photo was taken, which is usually what people are actually trying to protect when they worry about metadata. A built-in HEIC viewer lets you check photos before converting. Rotate, crop and resize happen in the same pass. For anyone importing from an iPhone every month, command line interface and Explorer integration mean the whole thing can be scripted and then forgot about.

The honest drawbacks, since this is a review and not a brochure. It is Windows only, so anyone on a Mac or a Chromebook gets nothing out of it. You have to download and install it, which a web page does not require. It is a trial that becomes a paid licence, whereas heictojpg.com costs nothing at all. And if you convert two photos a year, installing anything is silly. Those drawbacks are real, and they are the whole reason the next section exists.

The comparison below is limited to facts we could source. HEICtoJPG.com's own pages and Terms of Use on one side, our product's documented capabilities on the other. Where the vendor does not publish something, the cell says so instead of guessing.

The verdict that falls out of that table is not that one tool is good and the other is bad. It is that the two tools answer different questions. HEICtoJPG.com answers "I need this photo as a JPG in the next thirty seconds". A local converter answers "I need this library as JPGs, and I would rather it stayed on my machine". If your question is the first one, close this page and go convert your photo. If it is the second one, no amount of browser convenience fixes the fact that the files have to travel.

We would use heictojpg.com ourselves in four situations, and we are not being polite about it.
You are on a Mac, a Linux machine, or a Chromebook. Our converter is Windows only, so it is not even a candidate. A browser tool is the platform-neutral answer, and heictojpg.com is a clean one.

You cannot install software. Work laptops under Intune or Group Policy often block installs and even Microsoft Store, and there is documented pattern of users unable to add HEIC support for exactly that reason. A web page needs no permissions. It is the only door left open.
You have two or three photos. Downloading, installing and licensing a desktop app to convert one picture for an email is absurd. Drag it onto the site, take the JPG, move on with your day.
The photos are not sensitive. A screenshot, a photo of a whiteboard, a picture of a receipt for expenses: nothing here is worth thinking twice about. The privacy argument only carries weight when the content carries weight.

Our line is simple enough. A couple of impersonal snaps, use the web. A folder of family HEICs, convert it locally.

If you want to compare beyond our own tool, these are the alternatives that came up during research and what we made of them.

What we deliberately left out: the aggregator "alternatives" pages that rank well for this query and contain no testing at all, and the sites that appear for "heictojpg.com review" but are automated domain-reputation scanners rather than reviews. Those pages will give you a trust score. They will not tell you what is in the small print.

• HEICtoJPG.com Terms of Use Primary source for the 48-hour deletion window and the content licence clause quoted in this review
• DPReview on JPEGmini Independent coverage of the up-to-80-percent compression claim behind the converter
• The Phoblographer: JPEGmini review Hands-on test finding a 65 percent size cut with 95 percent quality retained
• Macworld: JPEGmini Pro review Compression ranges for camera originals versus web images
• heictoojpg.com The similarly named, unaffiliated domain flagged in the alternatives section