Which format is best for web?

WebP offers 25–35% smaller file size than JPG and is supported by all modern browsers—ideal for speed. JPG remains the safest choice for maximum compatibility with older systems and email. Use WebP with JPG fallback for best results.

Why do government portals require JPG?

Government and visa portals often require JPG because it is universally supported across all systems and devices. iPhone HEIC and some WebP files may not be accepted. Converting to JPG before upload ensures your application is processed without format errors.

Can I convert HEIC to JPG online?

Yes. Pngtm.com converts HEIC to JPG for free in your browser. No app or software needed. Open the site on your iPhone, select HEIC photos, and download JPG files. Ideal for passport photos and documents for government portals.

Image Formats Explained: PNG, JPG, WebP, and HEIC—Complete Guide 2026

New2026-02-011 min read3 tools

Complete guide to common image formats. Choose the right format for your use case.

Go to PNG to JPG now Go to WebP to JPG now Go to HEIC to JPG now

PNG: Transparency and High Quality

PNG supports transparency and lossless compression. Ideal for logos and graphics. Downside: large file size for photographs.

JPG: Compatibility and Small Size

JPG is the most universally compatible format. Lossy compression reduces size. Ideal for photos and websites.

WebP: Google's Modern Format

WebP combines benefits of PNG and JPG. 25–35% smaller than JPG. Some older programs don't support it.

HEIC: iPhone's Format

HEIC from Apple saves 50% space. iPhones capture in HEIC by default. Often needs conversion to JPG for compatibility.

Frequently Asked Questions

Which format is best for web?: WebP offers 25–35% smaller file size than JPG and is supported by all modern browsers—ideal for speed. JPG remains the safest choice for maximum compatibility with older systems and email. Use WebP with JPG fallback for best results.
Why do government portals require JPG?: Government and visa portals often require JPG because it is universally supported across all systems and devices. iPhone HEIC and some WebP files may not be accepted. Converting to JPG before upload ensures your application is processed without format errors.
Can I convert HEIC to JPG online?: Yes. Pngtm.com converts HEIC to JPG for free in your browser. No app or software needed. Open the site on your iPhone, select HEIC photos, and download JPG files. Ideal for passport photos and documents for government portals.