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QOI to PDF converter, without the upload.

Turn QOI images into PDF. It is converted in your browser, so the file never leaves your device.

Drop QOI files here

or choose from your computer paste with Ctrl V

Ready · other file types work too0 bytes uploaded, ever

Convert to

How to convert QOI to PDF

  1. Add your QOI images

    Drop QOI files onto the box above, or click it to choose them. ToAny reads the file's contents to detect the type, so a wrong extension does not matter.

  2. PDF is already chosen

    Press Convert. Open Options first if you want to change the defaults. The work happens in this tab.

  3. Download

    Save the PDF, or download everything as one ZIP if you converted several files.

Why ToAny

  • Private by construction

    The QOI to PDF converter is part of this page and runs inside your browser. Your images are never sent to ToAny or to anyone else.

  • No upload, no queue

    Nothing has to travel to a server and back, so the conversion starts the moment you press Convert, even on a slow connection.

  • Free, without an account

    No sign-up, no email address and no watermark. Add several files and download them together as a ZIP.

QOI to PDF: what to expect

QOI opens in very few apps, and no browser shows it. PDF looks the same on every device and keeps several pages in one file. QOI is at home in game textures and pipelines that need very fast encoding; PDF is the usual choice for documents that must look the same everywhere, and printing.

Add several files and you can also combine them into a single PDF. The defaults suit most files. Under Options you can choose the page size.

Each picture becomes one page. The page can match the picture's own size or be A4 or US Letter; on paper the sheet turns to suit the picture, which is shrunk to fit inside the margins and never enlarged.

QOI vs PDF

QOI

QOI image

QOI is a lossless image format with a specification short enough to read in a few minutes. It compresses far less than PNG but encodes and decodes many times faster, which is why game developers and tool authors like it. Support in everyday apps is thin.

Opens in IrfanView, XnView, many game engines and graphics tools; no browsers or phones

QOI converter
PDF

PDF document

PDF fixes a document's layout so it looks identical on every screen and printer. That makes it the default for forms, invoices and anything sent to print, and also what makes it awkward to edit.

Opens in Every browser, phone and computer

PDF converter
QOI compared with PDF
QOIQOI imagePDFPDF document
Stands forQuite OK Image FormatPortable Document Format
TypeRaster imageFixed-layout document
CompressionLosslessMixed: text is stored as text, images keep their own compression
Introduced2021, by Dominic Szablewski1993, by Adobe (an ISO standard since 2008)
Opens inIrfanView, XnView, many game engines and graphics tools; no browsers or phonesEvery browser, phone and computer
Best forGame textures and pipelines that need very fast encodingDocuments that must look the same everywhere, and printing
File extension.qoi.pdf, .ai

Questions

Are my images uploaded anywhere?

No. The QOI to PDF conversion runs inside your browser, on your own phone or computer. The file is not sent to ToAny or to anyone else.

Is anything lost when converting QOI to PDF?

No visible change: the image is placed on a PDF page at its full resolution.

Can I convert several QOI files at once?

Yes. Add as many as you like, convert them together and download each result or all of them as one ZIP. You can also merge them into a single PDF.

How do I convert QOI to PDF on Windows, Mac, iPhone or Android?

The steps are the same everywhere because ToAny runs in the web browser: open this page in a current version of Chrome, Edge, Safari or Firefox, add the QOI file, press Convert and save the PDF. There is nothing to install.

Is there a file size limit?

Because nothing is uploaded, the practical limit is your device's memory. Very large files can fail on phones with little free memory; a computer copes better.