Choosing the wrong image format can cost you significantly — in page load speed, storage costs, and visual quality. JPG, PNG, and WebP each have distinct strengths, and knowing when to use each one is one of the highest-impact skills for anyone who manages a website.

WebP vs PNG: Which Is Better?

For websites, WebP is usually better than PNG. Google reports that lossless WebP files are about 26% smaller than PNG, and WebP also has a lossy mode that makes photos far smaller than PNG can. Both formats support transparency. PNG still makes sense when you need a master copy for editing, when an upload form or app rejects WebP, or when you are delivering to print.

WebP vs PNGPNGWebP
File sizeLargerAbout 26% smaller when lossless (Google); much smaller for photos in lossy mode
CompressionLossless onlyLossless or lossy
TransparencyYesYes (full alpha channel)
AnimationOnly through APNGYes
Browser supportUniversalAbout 97% of browsers (Can I use)
Editors, upload forms, emailAccepted almost everywhereSome tools and forms still reject it
Best forMaster files, print, screenshots that must stay pixel-exactWebsite images, logos and product shots with transparency

WebP pros and cons

Need a PNG converted? Here is how to convert PNG to WebP, or compare newer formats in WebP vs AVIF.

JPG (JPEG) — The Web Standard Since 1992

JPG is the most widely used image format in the world. It uses lossy compression, permanently discarding some image data to achieve smaller file sizes. The loss is usually hard to see at quality settings of about 70% or above.

When to use JPG

Limitations of JPG

PNG — Lossless Quality for Graphics

PNG uses lossless compression, preserving every pixel exactly. This makes it the right choice for logos, icons, and any image where precision matters more than file size.

When to use PNG

Limitations of PNG

WebP — The Modern Standard for Web Images

WebP was developed by Google and has been widely supported by all major browsers since 2020. It supports both lossy and lossless compression, plus transparency — making it a direct upgrade over both JPG and PNG in most scenarios.

WebP advantages over JPG and PNG

Is WebP Better Than JPG?

For web use, yes — definitively. WebP produces similar visual quality at a smaller file size (typically around 25–34% vs JPG, per Google), directly improving your page load speed and Core Web Vitals LCP score. The only cases where JPG is still preferable: email attachments (Outlook does not render WebP), legacy system integrations that specify JPG, and some print workflows.

If you are still using JPG for your website images in 2026, you are leaving significant performance on the table. Converting to WebP is one of the fastest wins in web optimization.

Does WebP Support Transparency?

Yes — fully. WebP includes a complete alpha channel (transparency), just like PNG. You can use WebP as a direct drop-in replacement for transparent PNG logos, product images with cut-out backgrounds, and icon files. The WebP version will usually be smaller than the PNG equivalent with the same visual quality.

To remove backgrounds and create transparent WebP images, use TinyPNG Now's AI Background Remover — it exports transparent PNG or WebP directly.

Can WebP Replace GIF for Animated Images?

Yes — and you should make this switch immediately. Animated WebP is typically Often much smaller than GIF while also supporting:

All major browsers support animated WebP. If your site still uses GIFs for animations, converting them to animated WebP will meaningfully reduce your page weight.

Head-to-Head Comparison

FeatureJPGPNGWebP
Compression typeLossy onlyLossless onlyBoth
TransparencyNoYesYes
AnimationNoNo (APNG only)Yes
File size (photos)MediumVery largeSmall
File size (graphics)Poor (artifacts)MediumSmall
Browser support (2026)100%100%97%+
Email client supportUniversalUniversalGmail/Apple Mail only
Best forEmail, print, legacyLogos, archives, screenshotsEverything on the web

How to Use WebP in HTML

Simply reference your WebP file in a standard img tag:

<img src="image.webp" alt="Description" width="800" height="600">

For sites that still need to support Internet Explorer or very old browsers, add a PNG fallback using the picture element:

<picture>
  <source srcset="image.webp" type="image/webp">
  <img src="image.png" alt="Description">
</picture>

The browser automatically picks the first format it supports. Modern browsers use the WebP; old ones fall back to PNG.

What About WebP on Social Media?

Social platforms (Instagram, Twitter/X, Facebook, LinkedIn) all accept WebP uploads. However, they re-compress your images on their own servers after upload anyway — so the format you upload matters less than the quality and dimensions. That said, uploading WebP means the platform starts with a smaller file, which often results in better quality after their re-compression step.

What About SVG, AVIF, and HEIC?

SVG — Best for logos and icons

SVG is a vector format that scales perfectly at any size. Use SVG for logos, icons, and illustrations whenever possible. File sizes are typically tiny (5–20KB) and it looks pixel-perfect on every screen including high-DPI retina displays.

AVIF — Even smaller than WebP, less browser coverage

AVIF is the next-generation format beyond WebP. It often produces files smaller than WebP (WebP is typically around 25–34% smaller than JPG), but browser coverage is somewhat narrower than WebP's. The best approach for 2026: serve AVIF with a WebP fallback using the picture element. Read our full comparison: WebP vs AVIF: Which is Better in 2026?

HEIC — iPhone photos only

HEIC is Apple's proprietary photo format. Excellent compression but almost no web browser support. Always convert HEIC to WebP or JPG before using on a website. Use TinyPNG Now for free HEIC conversion.

Quick Format Decision Guide

Image TypeRecommended FormatWhy
Website photo or hero imageWebP25–34% smaller than JPG
Product photoWebPSmall file, transparency support
Logo or brand iconSVG or WebPSVG scales perfectly; WebP for raster
Screenshot or UI graphicWebP or PNGPreserves sharp edges and text
Image with transparent backgroundWebPSmaller than PNG with same quality
Animated imageAnimated WebPOften much smaller than GIF
iPhone photo (HEIC)Convert to WebPHEIC not supported in browsers
Email attachment (photo)JPGWebP not supported in Outlook
Print documentPNG or TIFFLossless, 300 DPI

Pro tip: TinyPNG Now converts between all major formats — JPG, PNG, WebP, AVIF, HEIC, GIF — directly in your browser. No upload needed, no account required, free use with no usage cap.

Sources

Figures are from the sources above and can change; results on your own images will vary.

Frequently Asked Questions

Is WebP smaller than PNG?

Yes, in most cases. Google reports that lossless WebP files are about 26% smaller than PNG. Lossy WebP can be much smaller still for photographs, because PNG cannot use lossy compression. Results vary with the image.

What are the pros and cons of WebP?

Pros: smaller files than PNG and JPG, lossy and lossless modes, transparency, animation, and about 97% browser support. Cons: some older software, CMS plugins and upload forms do not accept WebP, and PNG or JPG is still safer for print and email.

Is WebP better than JPG?

For web use, yes. WebP produces similar visual quality at a smaller file size, supports transparency (JPG cannot), and supports animation. The only cases to still use JPG: email attachments (Outlook doesn't support WebP) and legacy systems.

Should I use WebP or PNG for my website?

WebP in almost all cases. It supports transparency like PNG but at smaller file sizes. Use PNG only when a specific platform doesn't accept WebP, or to keep master/archival files before editing.

Does WebP support transparency?

Yes, fully. WebP has a complete alpha transparency channel just like PNG. Use WebP for logos, icons, and product shots with transparent backgrounds — you get identical quality at a much smaller file size.

Do all browsers support WebP?

Nearly all. WebP is supported in Chrome, Firefox, Safari, Edge, and Opera — nearly all current browsers (see caniuse.com/webp). Internet Explorer is the main exception, and Microsoft ended support for it in 2022.

What is the best image format for a website in 2026?

WebP for photos and graphics. SVG for logos and icons. AVIF (with WebP fallback) for maximum compression on performance-critical images. Never use JPG for web display — switch to WebP and gain a free file size reduction.

Can WebP replace GIF for animations?

Yes. Animated WebP is often much smaller than GIF (Google reports about 64% for lossy animated WebP), supports full 24-bit color (vs GIF's 256-color limit), and has full per-frame transparency. All modern browsers support animated WebP. Convert your GIFs immediately.