XnConvert

When to Choose Each

Choose XnConvert if you need a powerful, cross-platform HEIC and image converter that works entirely offline. XnConvert is a downloadable app for Windows, macOS, and Linux that processes files locally — no uploads, no daily limits, no file size caps on the free personal tier. It supports 500+ image formats including HEIC, HEIF, JPEG, PNG, WebP, RAW formats, and more. Batch processing is unlimited, EXIF metadata is preserved by default, and quality settings give you precise control over output. The trade-off is that XnConvert requires installation (no web version exists) and a $25 one-time license for commercial use. Best for users converting HEIC photos regularly who want desktop-class performance without uploading files.

Choose Online-Convert.com if you need a web-based HEIC converter with no installation and want API access for automation. Online-Convert.com runs entirely in the browser with a generous 1GB free file size limit and approximately 10 conversions per day on the free tier. It supports HEIC, HEIF, images, documents, videos, and audio in 200+ format pairs. The platform also offers a REST API for paid tiers, making it useful for scripted HEIC conversion workflows. The trade-off is that all files upload to a cloud server (privacy consideration for sensitive HEIC photos), and the review sample is too thin to validate HEIC-specific quality claims. Best for users who want a quick online HEIC converter without installing software, or developers building automated HEIC conversion pipelines.

Quick Decision Table

Key Differences

Detailed Comparison

Price (4 vs 3): XnConvert scores 4/5 — free for personal and non-commercial use with no file size or daily conversion limits. Commercial users pay a one-time $25 license fee, which is rare in the converter space and far cheaper than subscription-based alternatives. Online-Convert.com scores 3/5 — free tier allows ~10 conversions per day with a 1GB file size limit, premium starts at $10/month. The free tier is adequate for occasional HEIC conversion but limiting for batch workflows.

Features (4 vs 3): XnConvert scores 4/5 with 500+ supported image formats, unlimited batch processing, EXIF preservation, cross-platform support (Windows, macOS, Linux), quality adjustment sliders, and metadata editing. Tier 1A community mentions highlight “super versatile” — a strong feature signal across two independent discussions. Online-Convert.com scores 3/5 — supports 200+ format pairs including HEIC, with quality settings and metadata editing, but lacks the desktop-class batch processing engine that XnConvert offers.

Ease of Use (3 vs 3): Both score 3/5. XnConvert’s desktop interface is functional but not polished — community reviews describe it as “super versatile” rather than “easy to use”. The learning curve is moderate for first-time users, but power users appreciate the granular control. Online-Convert.com’s web interface is simpler but limited by daily conversion caps on the free tier, and UX data is too thin (zero HEIC-specific reviews) to validate claims. Neither tool excels on UX; both are workmanlike.

Reviews (3 vs 3): Both score 3/5 due to insufficient review data. XnConvert has zero public review data and only two community mentions (both positive). Online-Convert.com has zero public review data, zero community mentions, and no HEIC-specific user reviews. Both fall below the 30-review threshold needed for confident rating calibration. This is the weakest dimension for both tools — neither has established a strong community presence around HEIC conversion.

HEIC Conversion: Desktop vs Web Approach

The fundamental difference between XnConvert and Online-Convert.com is where the HEIC conversion happens:

XnConvert (local processing):

• HEIC files are decoded and re-encoded on your computer using your CPU
• No data leaves your machine — privacy advantage for sensitive photos
• Processing speed depends on your hardware (modern CPUs handle 100+ HEIC files in minutes)
• No internet connection required after installation
• Unlimited file size (limited only by disk space)
• Parallel processing by default — converts multiple HEIC files simultaneously

Online-Convert.com (cloud processing):

• HEIC files upload to Online-Convert.com’s servers via HTTPS
• Conversion happens on their infrastructure, then JPG downloads back to you
• Requires stable internet connection and bandwidth for large HEIC files
• 1GB per file limit on the free tier (excellent for ProRAW HEIC)
• Approximately 10 conversions per day on the free tier
• Privacy: files are stored temporarily and deleted per their retention policy

For users converting their own iPhone HEIC photos, XnConvert’s offline approach is faster and more private. For users who want zero installation and only convert occasionally, Online-Convert.com works fine.

Format Coverage Compared

XnConvert supports 500+ image formats including:

• HEIC, HEIF (Apple’s default iPhone format since 2017)
• RAW formats (CR2, NEF, ARW, DNG, RAF, ORF, and 30+ more)
• Standard web formats (JPEG, PNG, WebP, GIF, BMP, TIFF)
• Legacy formats (PCX, TGA, PPM, PBM)
• Professional formats (PSD, EXR, HDR)

Online-Convert.com supports 200+ format pairs across:

• Images (HEIC, HEIF, JPEG, PNG, WebP, GIF, BMP, TIFF, SVG)
• Documents (PDF, DOCX, TXT, RTF, ODT)
• Audio (MP3, WAV, FLAC, AAC, OGG)
• Video (MP4, AVI, MOV, MKV, WebM)
• Archives (ZIP, RAR, 7Z)

XnConvert wins on raw format coverage (especially RAW photos), while Online-Convert.com has broader non-image format support (documents, audio, video).

Who Should Pick Which

• Regular HEIC batch conversion: XnConvert (no daily limit, parallel desktop processing)
• Privacy-sensitive HEIC photos: XnConvert (offline, no cloud upload)
• One-off HEIC conversion without installing software: Online-Convert.com (browser-based, no signup)
• HEIC files larger than 100MB: Online-Convert.com (1GB free limit) or XnConvert (unlimited)
• API integration for automated HEIC conversion: Online-Convert.com (REST API available)
• Cross-platform (Windows + Mac + Linux): XnConvert (native apps for all three)
• RAW photo conversion alongside HEIC: XnConvert (30+ RAW formats supported)
• Document or video format conversion (beyond HEIC): Online-Convert.com (broader non-image coverage)
• No internet connection available: XnConvert (works fully offline after install)
• Commercial use with licensing: XnConvert ($25 one-time, cheaper than subscriptions)

How to Convert HEIC to JPG

With XnConvert:

1. Download and install XnConvert from xnview.com (Windows, Mac, or Linux)
2. Launch the app and drag your HEIC files into the input panel
3. Select JPG as the output format in the “Output” tab
4. Adjust quality (1-100, default 85), metadata preservation, and resize options if needed
5. Click “Convert” — files save to your chosen output folder
6. Total time: under 2 minutes for 50 HEIC files on a modern CPU

With Online-Convert.com:

1. Visit online-convert.com
2. Select “Image converter” → “Convert to JPG”
3. Upload your HEIC files (up to 1GB each on free tier)
4. Adjust optional settings (quality, resize, DPI)
5. Click “Start conversion”
6. Download the converted JPGs (or ZIP if batch)
7. Total time: depends on file size and upload speed

Try the Tools

• Download XnConvert (Windows/Mac/Linux) → (free for personal use, $25 commercial)
• Open Online-Convert.com → (free web converter, 1GB file limit)
• View all XnConvert comparisons →
• View all Online-Convert.com comparisons →
• Compare XnConvert vs FreeConvert → (similar desktop vs web dynamic)

Verdict

XnConvert wins 70 vs 40 for HEIC conversion thanks to its 500+ format support, unlimited free tier for personal use, cross-platform desktop apps, and offline processing. Online-Convert.com is a reasonable web-based alternative for users who don’t want to install software, but it loses on format breadth (200+ vs 500+), review data (both are thin, but XnConvert has more positive community mentions), and the constraint of cloud-based processing.

The 30-point margin reflects XnConvert’s decisive advantage in features (4 vs 3) and price value (4 vs 3), while both tie on UX (3 vs 3) and reviews (3 vs 3, both data-thin). For users who regularly convert HEIC photos and want a desktop-class experience without subscription fees, XnConvert is the clear winner. For occasional online HEIC conversion with API access, Online-Convert.com is a serviceable alternative.