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HEIC → JPG
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Convert iPhone HEIC photos to universally compatible JPEG format for sharing and web use.
Your iPhone saved that photo as HEIC because Apple switched the default camera format in iOS 11, and HEIC packs the same shot into roughly half the storage of JPEG. The catch shows up the moment the file leaves the Apple ecosystem: a Windows 10 machine without the paid HEVC codec extension shows a blank thumbnail, plenty of Android phones refuse to preview it, and a surprising number of upload forms, CMS dashboards, and printing kiosks reject the .heic extension outright. Converting to JPG trades HEIC's storage efficiency for the one thing it lacks — the ability to open absolutely everywhere without installing anything. This tool decodes the HEVC-compressed image data inside the HEIC container and re-encodes it as a standard baseline JPEG, so the result drops straight into Photoshop, Google Docs, WordPress, a school portal, or an email attachment with zero friction. Files run through KaijuConverter in the browser flow, nothing is kept, and uploads are wiped within an hour. No account, no watermark, no desktop install — useful when you just received a HEIC from someone's iPhone and need a JPG right now.
HEIC Image
Source formatHEIC is the default photo format on Apple devices since iOS 11. It offers roughly 50% better compression than JPEG at similar quality but has limited support outside the Apple ecosystem.
JPEG Image
Target formatJPEG is the most widely used lossy image format on the web. It achieves small file sizes through adjustable compression, making it ideal for photographs and complex images where some quality loss is acceptable.
Why convert HEIC to JPG
The single biggest reason is compatibility, not quality. HEIC opens flawlessly on Apple devices but stumbles everywhere else: Windows needs Microsoft's HEVC Video Extensions (a paid add-on), older Android builds and many web uploaders simply don't recognize the format, and most photo printers and document tools won't accept it. JPG is the universal fallback — every browser, OS, editor, and form built in the last 30 years reads it. You convert when you need to email an iPhone photo to a non-Apple recipient, upload to a site that bounces .heic, drop an image into Word or a slide deck, or hand a file to a print service.
HOW TO CONVERT
HEIC → JPG
Upload the HEIC
Drop the iPhone photo. We decode the HEVC-based container and extract the primary image.
Encode to JPG
ImageMagick writes a high-quality JPEG (q=90 default) with the original resolution and EXIF metadata.
Download the JPG
Grab the file; both source and output delete automatically within two hours.
Common Use Cases
Photo printing
Print labs reliably accept JPG; HEIC uploads fail silently at most consumer print services.
Cloud backup
Dropbox, Google Photos and OneDrive preview JPG instantly while HEIC previews can lag or fail.
Messaging apps
WhatsApp and Telegram handle JPG universally; HEIC often arrives as an unknown attachment.
HEIC vs JPG — Strengths and limitations
What each format does best, and where it falls short.
HEIC Strengths
- Roughly 50% smaller than JPEG at equivalent visual quality.
- 10- and 12-bit color depth supports HDR photography.
- Container format holds depth, Live Photo, bursts, and thumbnails in one file.
- Supports transparency and multi-image sequences.
- Built into iOS, macOS, and most modern Samsung and Google flagships.
Limitations
- Patent-encumbered (HEVC) — Windows users must buy a $0.99 codec pack from the Microsoft Store.
- Not supported by most web browsers or older image editors.
- Sharing to non-Apple platforms usually auto-converts to JPEG, losing metadata.
JPG Strengths
- Excellent compression ratio for photographs (10:1 or better without visible quality loss).
- Universal support — every camera, phone, OS, and browser reads JPEG natively.
- Adjustable quality setting balances file size against visual fidelity.
- Embeds EXIF metadata (camera model, GPS, exposure) automatically.
- Progressive rendering for graceful loading over slow networks.
Limitations
- Lossy — every save degrades the image further (generation loss).
- No transparency channel (use PNG or WebP for that).
- Visible compression artifacts on text, sharp edges, and flat colors.
HEIC vs JPG — Technical specifications
Side-by-side comparison of the technical details.
HEIC
- MIME type
- image/heic
- Compression
- HEVC (H.265) intra-frame
- Color depth
- 8, 10, or 12 bits per channel
- Container
- HEIF (ISO/IEC 23008-12)
- Transparency
- Supported
- Max dimensions
- 8,192 × 4,320 (practical)
JPG
- MIME type
- image/jpeg
- Compression
- Lossy — Discrete Cosine Transform + quantization + Huffman coding
- Color depth
- 8 bits per channel (24-bit RGB or 8-bit grayscale)
- Transparency
- Not supported
- Max dimensions
- 65,535 × 65,535 pixels (baseline)
- Typical quality
- 75–90 for web, 95+ for print
| Specification | HEIC | JPG |
|---|---|---|
| MIME type | image/heic | image/jpeg |
| Compression | HEVC (H.265) intra-frame | Lossy — Discrete Cosine Transform + quantization + Huffman coding |
| Color depth | 8, 10, or 12 bits per channel | 8 bits per channel (24-bit RGB or 8-bit grayscale) |
| Container | HEIF (ISO/IEC 23008-12) | — |
| Transparency | Supported | Not supported |
| Max dimensions | 8,192 × 4,320 (practical) | 65,535 × 65,535 pixels (baseline) |
| Typical quality | — | 75–90 for web, 95+ for print |
HEIC vs JPG — Typical file sizes
Approximate file sizes for common scenarios.
HEIC
- iPhone photo (12 MP) 1.5–3 MB (half of JPEG)
- Live Photo with 3s video 3–6 MB
- Portrait mode with depth map 2–4 MB
JPG
- Phone photo (12 MP, quality 85) 2–5 MB
- Web thumbnail (400px) 20–60 KB
- Full-page magazine photo 500 KB – 2 MB
- Social-media square (1080×1080) 100–400 KB
Quality & Compatibility
The conversion is lossy on top of lossy: HEIC's HEVC-encoded data is decoded, then re-compressed as DCT-based JPEG, so fine detail and subtle gradients soften slightly versus the original. The bigger technical loss is bit depth — HEIC commonly stores 10-bit color and a wide Display P3 gamut, while baseline JPEG is 8-bit and typically lands in sRGB, so banding can appear in skies and shadows. JPEG has no alpha channel, so any transparency is flattened. Live Photo motion, depth maps, and burst sequences are discarded; only the still keyframe survives. Most EXIF (date, camera, orientation) carries over; expect file size to grow roughly 1.5–2x.
Tips for Best Results
- If the photo is a Live Photo, only the still frame converts — the motion clip and any depth/portrait data are dropped, so keep the HEIC original if you may want those later.
- Check orientation after converting: some apps read HEIC's EXIF rotation flag differently, so a portrait shot can land sideways — rotate before uploading if needed.
- For prints or photo editing where color matters, the 10-bit-to-8-bit step can introduce subtle banding in skies; export at the highest quality and avoid re-saving the JPG repeatedly.
Frequently Asked Questions
HEIC (High Efficiency Image Container) is the default photo format on iPhones and iPads running iOS 11 or later. It offers better compression than JPEG but is not universally supported on Windows and Android devices.
Windows 10 and 11 do not include the HEVC codec that HEIC needs. You can buy a codec from the Microsoft Store or, simpler, convert the photo to JPG. KaijuConverter does the conversion in the browser session so you do not need to install anything on Windows.
The JPG re-encode is lossy, yes. At the default q=90 the loss is invisible to the naked eye on normal screens; heavy zoom or post-processing reveals it. For lossless output choose PNG as the target format instead.
Yes, you can upload and convert multiple HEIC files at once. Simply select all the photos you want to convert and KaijuConverter will process them in parallel.
Yes. Capture date, camera model, focal length, GPS coordinates and Apple-specific maker notes all transfer to the JPG. If you plan to share the photo publicly, tick "Strip metadata" in Advanced to remove GPS before sharing — you rarely want to broadcast your home address with holiday photos.
Yes. EXIF metadata including location, date, camera model and orientation transfers to the JPG. Toggle "strip metadata" in Advanced if you plan to share the photo publicly.
There is minimal quality loss when converting HEIC to high-quality JPEG (90+). The difference is virtually imperceptible for everyday photo sharing and printing.
At 90 % quality or higher, yes — the loss is perceptually invisible on any normal screen. HEIC has a slight edge in smooth gradients (skies, skin tones) because it is 10-bit, but you would need to pixel-peep side by side on a calibrated display to notice.
HEIC uses HEVC, a much more modern codec than JPG. Expect the JPG to be 1.5-2× larger for the same visual quality. This is the price of JPG's universal compatibility.
Yes, all files are processed on our servers using encrypted connections and automatically deleted within one hour after conversion. We never share or store your files.
Yes, but only the still frame transfers. Live Photos are a HEIC still plus a short MOV clip; JPG has no motion component, so the video portion is dropped. If you want to keep the motion, export the MOV separately from the Photos app before converting the still.
At matching visual quality JPG is typically 1.5 to 2 times larger. A 2 MB HEIC usually becomes 3–4 MB as a JPG at 92 % quality. For sharing over WhatsApp or email that is still well under attachment limits.
Uploads travel over HTTPS, photos are processed in isolated containers, and both the HEIC and the JPG are auto-deleted within two hours. KaijuConverter does not require an account, does not log file contents, and does not use uploads to train AI. For sensitive personal photos the Pro plan adds an explicit DPA.
Related comparisons
See these formats side by side to understand which fits your use case best.
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Read guideSecure & Private Conversion
Your files are encrypted during transfer, processed in isolated containers, and automatically deleted within 60 minutes. We never read, share, or store your data.