Funstool beta
100% in-browser All tools

Turn images into a PDF without re-compressing them

Drop photos, scans or screenshots and get one tidy PDF. Original pixels are embedded as-is — no server round trip, and no second round of JPEG compression to soften your scans.

Vector kept No re-encoding JPG · PNG · WebP
Original pixels, original page

JPG and PNG files are embedded byte-for-byte, so a 12-megapixel photo stays 12 megapixels. The page around them is vector, so text and rules you add later stay sharp. WebP is the one exception: it is transcoded to PNG first, which preserves the image but changes the encoding.

The quality loss nobody warns you about

Most “JPG to PDF” tools decode your image and re-encode it inside the PDF. For a JPEG that means a second generation of compression artefacts on every edge; for a scan of small print, it means the difference between legible and merely suggestive. It happens because the server pipeline normalises images to whatever its PDF library prefers.

Here the original file is embedded into the PDF as a stream, untouched. The page is built around it: choose A4, Letter or a page that fits the image exactly, set a margin, and the image is placed at its natural proportions — never stretched, never cropped.

How to build the PDF

  1. Add the imagesSelect several at once; each becomes one page in the order shown. Drag to reorder by removing and re-adding.
  2. Choose the pageA4 and Letter centre the image with your margin; “Fit image” makes the page exactly the image size, which is what you want for screenshots.
  3. ExportOne PDF, images untouched, ready to send or print.

Practical details

Phone photos are usually 4:3 or 16:9, so on an A4 page they will sit with white bands above and below — that is correct, not a bug. A 4000 × 3000 photo on A4 at 12 pt margin prints at roughly 340 DPI, comfortably above print quality. Screenshots are typically 72–144 DPI by nature; choose “Fit image” so they are not blown up to A4 and softened.

ItemBehaviour
FormatsJPG, PNG (embedded as-is); WebP (converted to PNG first)
Page sizeA4, Letter, or exactly the image size
PlacementCentred, aspect ratio preserved, never cropped
ResolutionOriginal pixels — no resampling, no re-encoding
OrderOrder added

FAQ

Do my images lose quality?

No. JPG and PNG are embedded without decoding, so no new compression artefacts are introduced. The PDF is larger than the sum of the images only by the page structure.

Can I put several photos on one page?

Not in this tool — one image per page. Lay out a collage first if that is the goal, then convert the collage.

Does it support HEIC from an iPhone?

Not yet. Export to JPG from Photos first (Share → Copy → Save as JPEG, or Settings → Camera → Formats → Most Compatible). Cameras and browsers do not agree on HEIC decoding, so converting it reliably is a separate job.