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Best free HEIC to JPG converter: what to look for
Reviewed by the Tabreon team · Last updated: October 2026
Quick answer
The best free HEIC to JPG converter turns iPhone photos into JPEGs in your browser, so they are never uploaded, keeps the full 12 MP or 48 MP resolution, and lets you choose the quality. Tabreon's HEIC Converter does this, and can also save PNG or WebP, with no account, no watermark and no daily limit.
Why this matters
iPhones save photos as HEIC by default, and plenty of websites, forms and older apps still will not accept them. The photos people need to convert are often personal: family pictures, ID photos for an application, pictures of documents. A converter that uploads them puts those photos on someone else's server just to change the format.
What a good HEIC converter does
HEIC is the HEIF image format with HEVC compression, which iPhones have used for photos since iOS 11. It stores a photo in roughly half the space of a JPEG, but support outside Apple devices is patchy. A HEIC converter decodes the photo and re-saves it in a format everything opens, usually JPEG. A good one keeps the full resolution and the right orientation, lets you pick the format and quality, is honest about what does not carry over, and is clear about where your photo goes while it works.
How it works
Most browsers cannot open HEIC on their own, so a converter needs a HEIC decoder. Server-based converters upload the photo and decode it remotely. Browser-based ones load a decoder into your tab instead: Tabreon uses a WebAssembly build of libheif, the open-source HEIF library, in a background worker. It decodes the photo on your device, applies the rotation stored in the file, and your browser's own encoder writes the JPEG, PNG or WebP. The decoder, about 1.5 MB, is downloaded the first time you convert; your photo is not. To check whether a converter uploads your photos, open your browser's developer tools, switch to the Network tab and convert a photo: an upload request roughly the size of the photo means it is server-based.
Step by step
- 1Add a photo. Open HEIC Converter and choose a .heic or .heif photo up to 50 MB, or drag it onto the page.
- 2Pick a format and quality. JPEG opens everywhere and keeps files small; the default quality of 85 suits most photos. PNG is lossless but much larger, and WebP is smaller than JPEG where it is accepted.
- 3Convert and download. The photo is converted at full resolution on your device. Check the preview, then download it. Nothing was uploaded at any step.
A checklist for choosing a free HEIC converter
| Why it matters | How Tabreon's HEIC Converter measures up | |
|---|---|---|
| Converts in your browser | Family photos, ID pictures and photos of documents should not sit on someone else's server | Yes — the photo is decoded and converted on your device and never uploaded |
| Full resolution | Some converters shrink photos or cap their size, and a standard iPhone photo is 12 MP | Yes — up to 50 megapixels, so 12 MP and 48 MP iPhone photos keep every pixel |
| Output formats | JPEG opens everywhere; PNG and WebP suit editing and the web | JPEG, PNG or WebP, with a quality slider for JPEG and WebP (default 85). WebP is not offered in Safari, including every iPhone browser, because Safari cannot save it |
| Right way up | A photo that comes out sideways has to be fixed by hand | Yes — the rotation stored in the HEIC is applied |
| No watermark, signup or daily limit | A converted photo should look like your photo | None required, no watermark, no daily cap |
| File size | HEIC photos are usually a few megabytes, and 48 MP ones are larger | Up to 50 MB per photo |
| Date and location | The original HEIC records when and where it was taken | Not copied: the converted file has no EXIF date or GPS location. Safer to share, but keep the original if you sort photos by date |
| Live Photos and Portrait depth | These keep extra data alongside the still photo | Only the still photo is converted; motion and depth data are not kept |
| Batch conversion | A whole camera roll takes a while one by one | One photo at a time |
| Safari on iPhone and iPad | Phones limit how large an image a web page can draw | 12 MP photos convert fine; a 48 MP photo may be too large for Safari on iPhone or iPad, so convert those on a computer |
Common mistakes
- Uploading personal photos to a converter without checking whether it processes them on a server.
- Using a converter that quietly shrinks your photos. A standard 12 MP iPhone photo should come out at 4032 × 3024 pixels.
- Choosing PNG for photos you only want to share. PNG is lossless, so a photo can come out several times larger than the JPEG.
- Re-saving the same JPEG again and again. Each save below full quality loses a little detail; convert from the original HEIC instead.
- Deleting the HEIC originals after converting. They keep the date, location, Live Photo motion and HEIC's smaller file size.
Best practices
- Prefer a converter that runs in your browser for personal photos, and verify that once with the Network tab.
- Use JPEG at a quality of about 80 to 90 for sharing and uploads; keep PNG for when an editor needs a lossless copy.
- If you always need JPEG, set your iPhone to Settings > Camera > Formats > Most Compatible, so new photos are taken as JPEG.
- To convert photos automatically when you copy them to a computer, set Settings > Photos > Transfer to Mac or PC to Automatic.
- Keep the originals, and convert copies.