Image to WebP Converter

What this tool is used for

• Converting site assets to a format that is typically much smaller at the same visual quality.
• Producing a WebP alongside an existing JPEG for a picture element with a fallback.
• Reducing page weight on an image-heavy page without changing dimensions.
• Converting a batch of mixed-format assets to one modern format.
• Trading a quality setting against a size budget with a visible preview.

Frequently Asked Questions

What does WebP gain over JPEG and PNG?

Roughly 25-35% smaller than JPEG at equivalent quality, and it supports BOTH lossy and lossless plus an alpha channel — which no other single format does. That combination is why it replaced two formats at once.

Which mode will my image use?

Lossy (VP8) by default for photographs, lossless (VP8L) if requested — and lossless WebP typically beats PNG by around 26%. Converting an already-lossy JPEG cannot recover quality either way; it only shrinks the file.

Is browser support still an issue?

Not in browsers — every current one supports it. The gaps are elsewhere: older desktop applications, some print workflows and email clients, which is why a JPEG or PNG fallback still matters for downloadable assets.

How should I serve it on a site?

With a <picture> element listing WebP first and a JPEG or PNG source after, so non-supporting clients fall back automatically. Content negotiation on the server achieves the same without markup changes.

Should I use AVIF instead?

AVIF compresses better again — often 20-30% below WebP — but encodes far more slowly and has weaker support outside browsers. Serving AVIF, then WebP, then JPEG in one <picture> is the current best practice.

Is animated WebP a good replacement for GIF?

Almost always — it supports 24-bit colour against GIF's 256-colour palette and typically produces far smaller files. The main gap is the handful of older tools that still expect GIF specifically.

Does WebP support colour profiles?

It can carry an ICC profile, but many encoders drop it by default — which is how a converted image comes out visibly duller. Check the profile survived if the source was anything other than sRGB.

Common errors and gotchas

• Re-encoding an already lossy source, which stacks artefacts even though the file gets smaller.
• Converting a photo at maximum quality and getting a file no smaller than the original.
• Assuming universal support, which is now broad but still worth a fallback in email and older software.
• Converting an animated GIF and losing the animation if the tool only handles still frames.
• Choosing lossy WebP for a screenshot or a diagram, where lossless would be both smaller and cleaner.