WebP Converter

Convert any picture into WebP — JPG, PNG, an iPhone HEIC photo or a modern AVIF. Transparency is kept where the source had it, and everything is processed in your browser.

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Free and with no limit on the number of files. Nothing is uploaded to a server.

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Convert Any Picture — JPG, PNG, HEIC or AVIF — into WebP

Free WebP converter: turn JPG, PNG, HEIC or AVIF pictures into WebP right in your browser. Transparency is preserved, quality is yours to choose, and nothing is uploaded.

What This WebP Converter Can Do

  • Any source format — JPG, PNG, HEIC from an iPhone and AVIF from a modern site all become WebP in one place
  • Transparency preserved — if the original had a transparent background, WebP keeps it — no white rectangles
  • Batch without limits — drop in a whole folder; your device does the work, so nothing is queued or capped
  • Nothing leaves your device — files are decoded and rewritten in the browser — no upload, no watermark, no sign-up

How to Convert a Picture to WebP

  1. Add your pictures — click the drop zone or drag the files straight in.
  2. Or pick a picture you generated on Homiwork — your image archive is one click away.
  3. WebP is already selected as the output format; choose the quality you need.
  4. Press “Convert to WebP” — every file appears as a card with its new size, ready to download.

What WebP Is For

WebP is the format the web settled on when it needed pictures to be lighter without looking worse. It compresses photographs roughly a quarter to a third better than JPEG at the same perceived quality, handles flat graphics and screenshots better than PNG, and — unlike JPEG — carries a full transparency channel, which means one format now covers both jobs that used to need two. For anything published online this is close to a free improvement: less traffic on mobile, faster loading, better page-speed scores. The reasonable question is what you lose. Compatibility, a little: every current browser reads WebP and has done for years, as do modern editors and phones, but a handful of older desktop programs, some print shops and the occasional government upload form still refuse it. The rule of thumb is simple — if the picture is going onto a website, convert it; if it is going into someone else's system, JPG is the safer currency. Everything here happens inside your browser, which is why the tool has no limit on the number of files and no reason to charge for them.

Frequently Asked Questions

Is it really free?

Yes — with no sign-up, no watermark and no limit on how many files you process at once. Converting costs us nothing because your browser does the work, so there is nothing to charge for.

Are my photos uploaded to a server?

No. Everything runs inside your browser: the file is read, converted and downloaded on your own device, and never leaves it. That also means there are no queues, no daily limits and no waiting for an upload.

Which formats can I convert to WebP?

JPG, PNG, HEIC and HEIF from an iPhone, AVIF, GIF and BMP. HEIC is decoded in the browser too, so photos straight from a phone work without any extra software.

Is transparency preserved?

Yes. WebP supports a full alpha channel, so a transparent PNG stays transparent after conversion.

How much lighter do files get?

Typically a quarter to a half, depending on the source format and content — screenshots and flat graphics gain the most. Each card shows the exact before-and-after size.

Will WebP open everywhere?

In every current browser, editor and phone — yes. Older desktop software and some printing services still ask for JPG; for those, switch the output format here.

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