Convert HEIC to JPG Online
iPhone photos to JPEG in seconds. No upload, batch 30, free forever — works offline too.
Convert HEIC to JPG online for free. iPhone photos to JPEG instantly — no upload, 100% browser-based. Batch convert up to 30 HEIC files at once. Keep original quality, strip EXIF.
CompressFast is a pure browser-side image processing tool — no files are ever uploaded to any server during compression. Your files stay on your device, processing is fast, and privacy is absolute.
Detailed Usage Guide
HEIC (High Efficiency Image Container) is Apple's answer to the question: "How do we fit more photos on iPhones without sacrificing quality?" Based on the HEVC (H.265) video compression standard, HEIC stores photos at roughly half the file size of JPEG — a 4MB JPEG photo becomes about 2MB as HEIC, with equivalent or better visual quality. Since iOS 11 (2017), every iPhone has captured photos in HEIC by default.
The problem? HEIC is an Apple-centric format. Windows PCs need a paid codec just to view HEIC files. Android devices can't open them natively. Most websites, social media platforms, and image editors expect JPEG or PNG. If you have ever tried to upload an iPhone photo to a website and been told "unsupported format," you have experienced the HEIC compatibility gap.
CompressFast's HEIC to JPG converter bridges this gap — 100% in your browser, with zero upload:
1. Browser-native HEIC decoding — Modern browsers (Chrome, Firefox, Edge, Safari) include HEIC decoders that run at native speed. CompressFast leverages these built-in decoders to extract full-resolution pixel data from your HEIC files. No plugin, no extension, no codec pack required. The decoding happens in a Web Worker so the main page stays responsive.
2. High-quality JPEG encoding — After decoding, the pixel data is re-encoded to JPEG at your chosen quality level (10-100%). We recommend 90-95% for photos — this produces a JPG that looks indistinguishable from the original HEIC while being about 30-50% larger (due to JPEG's less efficient compression). For web use, 85% provides an excellent size-quality balance.
3. EXIF privacy control — iPhone photos embed extensive metadata: precise GPS coordinates, camera specs, timestamp, and more. Enable "Strip Photo Info" to remove all of this before the JPEG is saved — critical for photos you plan to share online. Disable it to preserve metadata for your own archival use.
4. Batch workflow — Drop 30 HEIC photos at once, select JPEG output, click compress. All files convert in parallel. The result: a ZIP of ready-to-use JPGs that work everywhere — Windows, Android, websites, email attachments, social media, and any photo editing software.
5. Offline capability — Load the page once, then disconnect your internet. The converter still works perfectly because everything runs locally. This is especially useful when traveling or in areas with limited connectivity — convert photos without burning mobile data.
The HEIC to JPG workflow is one of the most common conversion needs: every iPhone user who wants their photos to work outside Apple's ecosystem needs it. With CompressFast, it is free, private, and takes seconds — no software to install, no accounts to create, no files to upload.
Why Choose CompressFast?
iPhone Photos → Universal JPG
Apple HEIC photos only work on Apple devices. Convert to JPG for universal compatibility — Windows, Android, web, everywhere.
100% Private Conversion
Your photos never leave your device. Unlike cloud converters, all HEIC decoding happens locally in your browser via Web Workers.
Batch 30 at Once
Convert up to 30 HEIC photos to JPG in one batch. All processed in parallel. ZIP download all results in one click.
How to HEIC to JPG Online
Upload HEIC Photos
Drag iPhone HEIC photos into the upload area, click to browse, or paste from clipboard. Supports up to 25MB per file.
Choose JPG Quality
Set JPG output quality (85-95% recommended for photos). "Strip Photo Info" removes GPS and camera data for privacy.
Download JPG Files
Each HEIC becomes a high-quality .jpg file. Download individually or batch ZIP. Compare before/after sizes.
FAQ
What is HEIC and why do iPhones use it?
HEIC (High Efficiency Image Container) is Apple's modern photo format based on HEVC (H.265) compression. It stores photos at roughly half the file size of JPEG with equal or better quality. Apple adopted it as the default iPhone camera format in 2017 with iOS 11 to save storage space. The downside: HEIC is not widely supported outside the Apple ecosystem — Windows PCs, Android devices, most websites, and many apps cannot open HEIC files without conversion.
Does converting HEIC to JPG lose quality?
Minimally, if you use a high quality setting (90%+). HEIC and JPEG are both lossy formats, so each conversion involves some information loss. However, at 90-95% quality, the difference is invisible to the naked eye. For archival purposes, keep the original .heic file and convert a copy to JPG for sharing. CompressFast uses browser-native high-quality HEIC decoding, then re-encodes to JPEG at your chosen quality level.
Is my photo data safe during HEIC conversion?
Completely safe. All HEIC decoding and JPEG encoding happens locally in your browser using Web Workers. Your photos never leave your device — no upload to any server. You can verify this by disconnecting your internet after loading the page: the conversion still works perfectly. This is critical for personal photos, sensitive documents, and anything you would not want on a third-party server.
Can I batch convert multiple HEIC files at once?
Yes — convert up to 30 HEIC photos to JPG in a single batch for free (500 with Pro). All files are processed in parallel using multiple Web Workers for maximum speed. Use "Download All" to get a single ZIP file of all converted JPGs. Perfect for converting an entire vacation album or photo shoot.
Why can't I open HEIC files on my Windows PC?
Windows does not include built-in HEIC support by default. Microsoft offers a paid HEIC codec ($0.99) in the Microsoft Store, but it only enables viewing — not editing or converting. This is the #1 reason people search for "heic to jpg converter": they need their iPhone photos to work on Windows. CompressFast solves this entirely in the browser — no codec to install, no payment, no upload.
How long does HEIC to JPG conversion take?
Typically 1-3 seconds per photo, depending on the image resolution and your device's processing power. HEIC files are heavily compressed (that's why they're small), so the browser needs to decode them fully before re-encoding to JPEG. High-resolution photos (12MP+) may take 2-5 seconds. All processing runs in background Web Workers, so you can continue using the page while conversion happens.
What is the difference between HEIC and HEIF?
HEIF (High Efficiency Image Format) is the container format standard. HEIC is Apple's specific implementation of HEIF — the "C" stands for "Container." In practice, they are the same thing: .heic files from iPhones are HEIF images with HEVC compression. CompressFast handles both .heic and .heif extensions identically.
Can I preserve HDR or Live Photos when converting HEIC to JPG?
No — JPEG format does not support HDR gain maps, depth data, or the video component of Live Photos. When converting HEIC to JPG, only the still image frame is preserved. HDR tone-mapping is applied during conversion so the photo looks natural, but the dynamic range is reduced to standard (SDR). If you need to preserve HDR or Live Photo features, keep the original .heic file.