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Convert JPG to HEIC Online Free — Fast Batch Conversion
How to Convert Images Online
1Upload your JPG file
Click upload or drag and drop. Up to 10 files for batch conversion.
2Convert
Click Convert. Processed instantly.
3Download HEIC
Download your converted HEIC file.
Supported Image Formats
HEIC
Apple photo format used by iPhone and iPad. High quality with small file size.
JPG
Universal format for photos. Supported everywhere, great balance between quality and file size.
HEIF
High Efficiency Image Format — same as HEIC, used on Apple devices.
WebP
Modern image format by Google. Up to 30% smaller than JPG with the same quality.
PNG
Lossless format that preserves every pixel. Best for screenshots and logos.
GIF
Classic format for simple animations. Supports transparency and up to 256 colors.
BMP
Uncompressed bitmap format. Maximum quality but very large file size.
TIFF
Professional lossless format used in printing and photography.
AVIF
Next-gen format with excellent compression. Up to 50% smaller than JPG.
PPM
Portable Pixmap format used in Unix/Linux environments.
HDR
High Dynamic Range format storing extended brightness data.
FITS
Flexible Image Transport System used in astronomy and science.
PDF
Portable Document Format. Convert PDF pages to JPG, PNG or WebP images.
AVIF vs WebP vs HEIC vs JPG
Quick comparison to help you choose the right format
AVIF
- Size: Up to 50% smaller than JPG
- Browsers: Chrome, Firefox, Safari
- Transparency: ✓
- Best for: Web performance
WebP
- Size: 25-35% smaller than JPG
- Browsers: All modern browsers
- Transparency: ✓
- Best for: Web compatibility
HEIC
- Size: ~50% smaller than JPG
- Browsers: Safari only
- Transparency: ✓
- Best for: iPhone storage
JPG
- Size: Baseline
- Browsers: All browsers & apps
- Transparency: ✗
- Best for: Universal sharing
Frequently Asked Questions
- Will converting JPG to HEIC improve quality?
- No. JPG to HEIC reduces file size through more efficient compression but cannot recover detail lost during JPG compression.
- Can I open HEIC files on Windows?
- Windows 11 supports HEIC natively. Windows 10 requires the HEIF Image Extensions from the Microsoft Store (free).
- Is HEIC supported on Android?
- No. Android has no native HEIC support. Keep files as JPG or convert to WebP for Android compatibility.
- Does HEIC support transparency?
- Yes, unlike JPG. However, converting from JPG (which has no transparency) to HEIC will not add transparency — the image remains fully opaque.
- Can I convert multiple JPG files to HEIC at once?
- Yes. Batch conversion of up to 10 JPG files simultaneously.
- Why would I convert JPG to HEIC instead of keeping JPG?
- For Apple device storage efficiency. HEIC files are roughly 50% smaller than JPG and are the native format for iPhone cameras since iOS 11.
- Is Convertify free?
- Yes. Completely free with no watermarks, no signup, and no limits.
Why convert JPG to HEIC?
JPG has been the default photo format for over 30 years — it works everywhere. But JPG's compression algorithm (DCT-based, standardized in 1992) is showing its age.
HEIC uses the HEVC codec (H.265) which achieves roughly 50% better compression than JPG at equivalent visual quality. A 4 MB JPG photo from a digital camera typically becomes a 2 MB HEIC file with no visible difference.
If your photos will primarily live on Apple devices, HEIC saves meaningful storage space — especially when you have thousands of photos in your library. For web delivery, consider JPG to WebP or JPG to AVIF instead.
Where HEIC files work — and where they do not
HEIC is native on all Apple devices running iOS 11+ and macOS High Sierra+. Photos, Preview, Quick Look, iMovie, Final Cut Pro, and all Apple apps handle it natively. iCloud Photo Library stores and syncs HEIC without conversion.
Outside Apple, support is patchy. Windows 11 opens HEIC natively. Windows 10 requires the HEIF Image Extensions codec. Android has no native HEIC support. No browser except Safari displays HEIC.
Most social media platforms accept JPG but not HEIC directly — though iOS automatically converts when sharing. If you need to convert HEIC back to JPG later, Convertify handles that too.
JPG vs HEIC comparison
| Feature | JPG | HEIC |
|---|---|---|
| Compression codec | DCT (1992) | HEVC / H.265 |
| Compression efficiency | Baseline standard | ~50% better than JPG |
| Transparency | Not supported | Supported |
| Color depth | 8-bit per channel | 8–10 bit per channel (HDR capable) |
| Browser support | All browsers | Safari only |
| Apple device support | Supported | Native (iOS 11+) |
| Windows support | Universal | Win 11 native / Win 10 requires codec |
| Android support | Universal | Not supported |
| Best for | Universal sharing | Apple ecosystem storage |
Storage savings: JPG vs HEIC in practice
For typical smartphone photos, HEIC at equivalent perceptual quality produces files 40–50% smaller than JPG. For images with fine detail and textures (landscapes, architecture), savings tend toward 40%. For simpler scenes with large uniform areas, savings can reach 55–60%.
Note that converting an existing JPG to HEIC involves decoding the JPG and re-encoding as HEIC — this is a lossy-to-lossy conversion that introduces a small additional quality reduction. The visual impact is minimal at high quality settings, but it is not zero. If you have access to the original uncompressed source, converting directly to HEIC produces better results.
JPG to HEIC for iPhone photo library management
Since iOS 11, iPhone cameras default to HEIC format. But photos received via email, messaging apps, downloaded from the web, or transferred from older cameras arrive as JPG. This creates a mixed-format library consuming more iCloud storage than necessary.
Converting imported JPGs to HEIC before adding them to your Photos library ensures consistent format and optimal storage usage. When you later share these photos, iOS handles format conversion automatically — sending HEIC as JPG to non-Apple recipients.
Does JPG to HEIC conversion improve quality?
No. Converting from JPG to HEIC cannot recover quality that was already lost during JPG compression. JPG is a lossy format — it discards high-frequency image detail during encoding, and that data is gone permanently.
Re-encoding as HEIC compresses the already-degraded image data using a more efficient codec, producing a smaller file, but it does not restore the original detail. The value of JPG to HEIC conversion is purely about file size reduction and format consistency — not quality improvement.
HEIC and HDR — what JPG cannot do
HEIC supports 10-bit color depth and HDR metadata, which JPG cannot. iPhone 12 and later capture HDR photos natively in HEIC using Dolby Vision or HLG.
When you convert a standard 8-bit JPG to HEIC, the output remains 8-bit — you cannot gain HDR capability from a non-HDR source. However, having everything in HEIC format means your library viewer handles the files consistently.
How Convertify converts JPG to HEIC
Convertify uses a Rust backend with libvips for JPG decoding and libheif for HEIC encoding. The conversion pipeline preserves color profiles (sRGB, Display P3) and EXIF metadata including orientation, camera model, and GPS coordinates.
Files are processed server-side over an encrypted HTTPS connection and deleted immediately after download. No account is required.