Convert WEBP to PDF
Modern web image to PDF. In your browser.
Drop your .webp file
or click to browse · max 50MB
or paste with ⌘V
Converting WebP to PDF wraps a modern web image in the universal cross-platform document format. WebP is great for the web — small files, transparency support, modern compression — but plenty of older tools, email gateways, and document workflows don't recognise it. Wrapping it in a PDF gives you a file that opens absolutely anywhere, with the WebP image embedded inside.
When you'd use it
Email a WebP someone else can't open
Got a WebP from a website that the recipient's email client or photo viewer refuses to handle? Wrapping it in a PDF gives them a file they can open without installing anything new.
Submit forms and applications
Government portals, application forms, and corporate workflow tools often demand PDFs only. WebP → PDF is the bridge.
Combine images into a doc later
PDFs concatenate cleanly. Once your WebP is a PDF, you can merge it with other PDFs to build a single multi-image or mixed-content document.
How it works
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Your file never leaves the browser.
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Conversion runs locally via WebAssembly and Canvas.
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Download. No account, no history.
Technical notes
WebP can't be embedded directly into a PDF (pdf-lib only supports JPG and PNG natively), so this converter first decodes the WebP via the browser's image pipeline, re-encodes it losslessly as PNG, then embeds the PNG into a single-page PDF whose page size matches the image's pixel dimensions. There's a small intermediate-encoding step but quality is preserved (PNG is lossless). The resulting PDF is somewhat larger than the source WebP because PNG compression is less efficient than WebP for photographic content.
Frequently asked
What happens to my WEBP files?
Nothing leaves your browser. The conversion runs locally on your device using WebAssembly and the Canvas API. No file is uploaded to a server — including ours.
Is the converted PDF identical to the original?
PDF preserves the input image exactly — embedJpg embeds your JPG bytes verbatim, embedPng embeds the PNG losslessly. The page size matches your image's pixel dimensions.
Is there a file size limit?
There is no hard cap, but very large files (hundreds of MB) may be slow on older devices because everything happens in your browser's memory.
Do you collect data on my file or my use?
Your file is invisible to us — it never leaves your browser. For aggregate page-view counts we use Cloudflare's server-side edge logs (no JavaScript beacon runs in your browser). We display Google AdSense ads on conversion result pages; the AdSense script loads on every page and may set advertising cookies after you accept the consent banner (Google Consent Mode v2 asks first). The ads see the page URL and standard browsing signals — they never see your file, because the file never leaves your device.
Will the PDF be larger than the WebP?
Usually yes — by 30–60% for photographic content. WebP is one of the most efficient image formats; PDF wraps a less-efficient PNG copy. The trade-off is universal compatibility.
What about transparency?
Transparency in the source WebP is preserved in the embedded PNG. How it renders depends on the PDF viewer — most paint transparent regions on top of the white page background.
Why not embed the WebP bytes directly in the PDF?
PDF spec doesn't include WebP as a supported image stream. We'd need to ship a custom decoder/embedder library, which would add significantly more code than the small intermediate PNG encoding step we use.