JPG to PDF
Convert JPG, PNG, or WebP images to a PDF — drag to reorder, choose page size. Runs in your browser. No upload, no sign-up.
About this tool
Convert one or more JPG, PNG, or WebP images into a single PDF file — all inside your browser. No upload, no account, no watermark. Drag thumbnails to reorder, pick a page size, set a margin, and download instantly.
How to use it
Quick steps to get the most out of this utility.
- 1
Drop your images
Drag and drop JPG, PNG, or WebP files onto the upload area, or click to browse. Add as many as you need.
- 2
Reorder thumbnails
Drag the image tiles to arrange them in the order you want pages to appear in the PDF.
- 3
Set page size
Choose Fit to image (default), Letter, A4, or Legal. Set orientation and margin for fixed-size pages.
- 4
Create PDF
Click "Create PDF". The conversion runs in your browser. Download the finished file instantly.
Converting images to PDF — when and why
The most common reason people convert images to PDF is documentation: a receipt photographed with a phone needs to go into an expense report, a stack of scanned invoices needs to be sent to an accountant as a single file, or a set of whiteboard photos from a meeting needs to be archived in a shareable format. PDF is the universal container format for documents, and a JPG-to-PDF converter is the bridge between the camera roll and the document world.
As a worked example: six JPEG photos of restaurant receipts, each around 3 MB, totaling 18 MB. Drop them all at once, drag to put them in chronological order, choose A4 with a small margin, click Create PDF. The resulting file is around 18 MB and takes about 3 seconds on a modern laptop. The page count matches the image count — one image per page — and every image is pixel-sharp at the chosen page size.
Why in-browser conversion matters for IDs and receipts
Images of receipts, invoices, passports, driving licences, and medical documents are among the most sensitive files on a phone. When you use a server-side conversion tool, that image travels over the network to a third-party server. Even if the service says it deletes files immediately, there is no way to verify that — and the image has left your device.
Toolisk's JPG to PDF tool converts entirely in the JavaScript runtime of your browser tab. The image bytes are passed directly to the PDF engine (pdf-lib), which runs in the same sandbox. Nothing is sent anywhere. When you close the tab, the data is gone. This is not just a privacy promise — it is how the technology works.
- ✗Server-side converters: image uploads over the network → server processes → output downloaded → image may be cached, logged, or retained.
- ✓Toolisk JPG to PDF: image stays in your browser's memory → converted in JavaScript → saved to your device → nothing ever leaves your machine.
Frequently asked questions
Is this safe? Does it upload my images?+
No upload whatsoever. The entire conversion runs in your browser using JavaScript. Your images never leave your device, are never sent to a server, and are never logged. This makes it safe for sensitive files like ID scans or medical receipts.
What is the maximum file size?+
Individual images up to 100 MB are accepted. Files over 30 MB may be slower on mobile. For best results keep total combined size under 200 MB.
Does it work offline?+
After the page has loaded once, yes — the PDF engine is cached in your browser and the conversion runs locally even without an internet connection.
Will this work on iPhone / iPad?+
Yes, on modern iOS Safari. iOS limits per-tab memory, so processing dozens of large images at once may be slow. Processing images in smaller batches helps.
What image formats are supported?+
JPG, PNG, and WebP are all supported. HEIC (iPhone photo format) is not currently supported — convert HEIC to JPG first using your phone's built-in share/export option.
Does the order I drop the images matter?+
Yes — images are added to the PDF in the order they appear in the grid. If you drop them in the wrong order, you can drag the thumbnails to rearrange them before creating the PDF.
Will my image quality be compressed or degraded?+
JPEG images are re-encoded at 0.92 quality during the EXIF orientation step (to correct sideways photos from phones). PNG and WebP are also converted to JPEG at the same quality. The visual difference at 0.92 quality is negligible.
Will sideways phone photos look right in the PDF?+
Yes. Photos taken with a phone in portrait mode are often stored rotated with an EXIF flag. This tool reads that flag via the browser's createImageBitmap API and applies the correct rotation before embedding, so photos always appear upright in the PDF.
Keep exploring
More utilities and reading from Toolisk.