How to Convert HEIC to JPG: Complete Guide for iPhone Photos Image Conversion How to Convert HEIC to JPG: Complete Guide for iPhone Photos Your iPhone takes stunning… Read more
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View all →File format guide
Understanding file formats helps you choose the right conversion tool
JPG vs PNG — which to use?
JPG uses lossy compression — small files, ideal for photos and web images.
PNG is lossless and supports transparency. Best for logos, icons, and screenshots.
- JPG for photos and backgrounds
- PNG for logos, icons, transparency
- WebP for best web performance
PDF tools explained
PDF is the universal document format. It preserves layout, fonts, and images across all devices.
- Merge: combine multiple PDFs
- Split: extract individual pages
- Compress: reduce size for email
Video formats compared
MP4 (H.264) is the most universal format. WebM is optimised for browsers. GIF is for short loops.
- MP4: best universal compatibility
- WebM: smallest for web
- GIF: short looping animations
Audio formats guide
MP3 is most compatible. FLAC is lossless. WAV is uncompressed for professional audio.
- MP3: universal, great compression
- FLAC: lossless, studio quality
- AAC: best quality-to-size ratio
What is HEIC format?
HEIC is Apple's default iPhone photo format. It offers twice the compression of JPG but isn't universally supported.
- Default iPhone format since iOS 11
- Convert to JPG for sharing
- No quality loss when converting
Excel, CSV and PDF
Excel (XLSX) is for calculations. CSV is plain text that opens in any app.
- Export Excel to PDF for sharing
- CSV to Excel for formatting
- Excel to CSV for databases
Frequently asked questions
Is ConvertHub Pro completely free?
Yes. Every one of the 55+ tools is completely free with no account required, no watermarks, and no file size limits.
Do my files get uploaded to a server?
No. All conversions happen entirely in your browser. Your files are never sent to any server — 100% private.
How do I convert JPG to PNG?
Click JPG to PNG under the Image tab. Drop your file(s), click Convert, then click the green Download button.
How do I convert iPhone HEIC photos?
Find HEIC to JPG under the Image tab. Upload your .heic files and click Convert. Works on Windows, Mac, and Linux.
Can I convert video files for free?
Yes. Video tools use FFmpeg.wasm — the full FFmpeg compiled to WebAssembly. Downloads ~30 MB on first use then cached.
How do I merge multiple PDF files?
Open Merge PDF under the PDF tab. Upload all PDFs, click Convert, then Download to save the merged result.
Why is there a Download button instead of auto-download?
By design — so you can review results and choose when to save, especially useful when converting multiple files at once.
How accurate is the currency converter?
Rates are indicative only. For financial transactions always verify with your bank or a regulated exchange.
Does the AI background remover work on complex images?
It uses the MODNet neural network via Transformers.js. Downloads ~45 MB model on first use (cached). Works well on people and products.
Can I record my screen?
Yes — the Screen Recorder (Video tab) uses your browser's built-in capture API. No extension required. Works in Chrome and Edge.
Why choose ConvertHub Pro
100% private
Files never leave your device — all processing runs in your browser
Instant results
No uploads or server queues — browser-native conversion is immediate
Batch convert
Drop multiple files at once and convert them all together
Video & audio
Full FFmpeg engine compiled to WebAssembly — runs entirely in your browser
AI background removal
MODNet neural network via Transformers.js — accurate on people and products
Screen recorder
Record your screen, tab, or window — no extension, no uploads needed