How to convert WebP to PDF without uploading it
WebP is the web's efficient image format — small files, good quality — but plenty of destinations still want a PDF: a form that only accepts PDF, a print shop, a client who cannot open a WebP, a slide deck, a portfolio page. The usual converters upload your file to a server, convert it there, and hand it back — and the free tiers cap you at a few files a day. That is slow, it leaks your images, and for client work it can breach confidentiality. This tool does the whole job in your browser, with no daily limit:
- Drop your WebP files (or paste them from the clipboard). Up to 20 files per batch, 25 MB each — a 25 MB safety cap applies per file, because browsers cannot safely hold larger jobs in memory.
- Pick a quality and a background. 85% is a good default. JPEG has no transparency, so the image is flattened onto the background colour you choose — white by default.
- Choose a page size and mode — Original, A4 or Letter; one combined PDF or one PDF per file — then press Build PDF and download.
What makes this converter different
The pages that top the results for this search mostly convert on a server, and the free tiers cap you at a handful of files a day. The client-side pages we found are generic image converters, not a dedicated WebP-to-PDF page. This page is the only dedicated WebP-to-PDF page we found that combines a batch of 20 files with a ZIP download, a choice of one combined PDF or one PDF per file, Original/A4/Letter page sizes, fit/fill control, a quality slider and a background picker, with no daily limit and no account — plus a live network-request counter so you can verify the privacy claim yourself. It runs entirely in your browser — there is no server to upload to.
Honest limitations
Not a vector PDF
The WebP is decoded to pixels and re-encoded as JPEG before it is embedded, so the PDF holds a picture, not the original image data. Text in the image becomes pixels and is not searchable.
JPEG is lossy
Every conversion discards some detail, and a lossy WebP loses a little more on the second encode. At 85% quality most photos and screenshots look identical to the original; use 90–95% for images you will edit further, and keep the original WebP as your master copy.
No transparency
JPEG has no transparency — transparent areas are flattened onto the background colour you pick. If you need transparency kept, use WebP to PNG instead.
Animations become a still frame
An animated WebP converts as its first frame only — the browser decodes the first frame and that still image becomes the PDF page.
Metadata is dropped
EXIF, XMP and any other metadata in the WebP are not carried into the PDF. The PDF carries only the rasterized image, on a page of the size you chose.
Very large outputs are capped
Outputs are capped at 16 megapixels and one side at 8000 px, so a huge WebP cannot crash the tab. The file card says when capping happened.
Renamed files are refused
Files are checked by their RIFF/WEBP header, not just the extension — a JPG, PNG or GIF renamed to .webp is refused with a clear message, as is a corrupt or truncated WebP.
Lossless WebP is still re-encoded
Even a lossless WebP goes through a JPEG encode for the PDF, so the PDF image is lossy. The pixels are the same; only the compression changes.