Is WebP better than JPG?

For online images, usually yes: WebP reaches similar visual quality at a smaller size and can store transparency. JPG still wins on compatibility with old or unusual software.

Do all browsers open WebP?

All current browsers do. Some older desktop apps and email programs do not, so export JPG when the file has to travel to unknown software.

Does converting JPG to WebP reduce quality?

The conversion re-encodes the image, so quality depends on the settings used. Keep your original JPG if you plan to edit the photo again later.

Can WebP replace PNG?

Often, yes. WebP supports transparency and lossless mode, and graphics usually come out smaller than PNG. Check the result if exact pixel colors matter.

JPG vs WebP: Which Format You Should Pick

JPG compared with WebP
Aspect	JPG	WebP
Compression	One lossy method built for photographs	Lossy, lossless, and transparency in a single format
Transparency	No alpha channel, so backgrounds stay solid	Alpha transparency works for logos and overlays
File size	Larger than WebP at a similar visual quality	Usually smaller than JPG at a similar visual quality
Browser support	Opens in every browser and app without exception	Opens in all current browsers; some older apps do not
Animation	Not supported, because JPG is always one frame	Supported, though Filekind handles static WebP only
Best for	Photos that must open anywhere, including old software	Web pages, emails, and galleries where weight matters
Re-saving	Loses a little more detail on every save	Lossy mode degrades like JPG; lossless mode does not

Aspect

JPG

WebP

Compression

One lossy method built for photographs

Lossy, lossless, and transparency in a single format

Transparency

No alpha channel, so backgrounds stay solid

Alpha transparency works for logos and overlays

File size

Larger than WebP at a similar visual quality

Usually smaller than JPG at a similar visual quality

Browser support

Opens in every browser and app without exception

Opens in all current browsers; some older apps do not

Animation

Not supported, because JPG is always one frame

Supported, though Filekind handles static WebP only

Best for

Photos that must open anywhere, including old software

Web pages, emails, and galleries where weight matters

Re-saving

Loses a little more detail on every save

Lossy mode degrades like JPG; lossless mode does not

What each format does

JPG uses one lossy compression method and nothing else. It was designed for photographs, and it does that job in every browser, phone, and desktop app made since the 1990s. It has no transparency and no animation, and its quality setting decides how much detail is dropped.

WebP offers lossy compression, lossless compression, and transparency in one format. Its lossy mode aims for JPG quality in fewer bytes, and its lossless mode targets PNG territory for graphics. Filekind works with static WebP only; animated WebP files are rejected instead of silently losing their animation.

Where compatibility decides it

JPG opens everywhere without exceptions. If you send a photo to a recruiter, a printer, or an old laptop, JPG just works. WebP is supported by every current browser and most major apps, but older desktop software, some email clients, and some design tools still do not recognize it.

That gap shrinks every year, yet it still matters for files that leave your hands. If the receiver controls their software, ask which format they want. If you do not know, JPG is the safe answer and WebP is the size-conscious one. Keep an original JPG when you may edit the photo later.

Switching between them

Conversion is cheap in both directions. JPG to WebP shrinks a photo for the web, and WebP to JPG gives you a file that any program can open. Neither direction invents detail the source did not already have, so the choice is really about the destination.

A practical setup is to archive the original as JPG and publish WebP. If a page or form rejects the file, swap formats rather than fighting the limit. The converter runs entirely in your browser, so nothing is uploaded and no account is needed.

Verdict

WebP is the better default for images you publish online, because it is usually smaller at comparable quality and supports transparency. Keep JPG when the file has to open in unknown or older software. Convert one to the other whenever the destination has a preference.

JPG vs WebP: Which Is Better for Images?

What each format does

Where compatibility decides it

Switching between them

Verdict

Frequently asked questions

What each format does

Where compatibility decides it

Switching between them

Verdict

Frequently asked questions

Related comparisons and tools