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Need help?Convert Images to PDF Online — Mix JPG, PNG, HEIC, and RAW in One PDF
To convert images to PDF, upload your photos, scans, or screenshots (JPG, PNG, HEIC, TIFF, WebP, and 30+ formats), drag the thumbnails into the order you want, pick a paper size, and click Convert. Mixed formats combine into one multi-page PDF, or you can output one PDF per image.
Real result: a folder of phone photos, screenshots, and HEIC shots becomes a single ordered PDF that opens identically on Windows, macOS, iOS, and Android. Need just one source format? Try JPG to PDF, PNG to PDF, or Merge Images to PDF.
How to Convert Images to PDF Online
- Upload Your Images: Click "+ Add Files" or drag photos, scans, screenshots, and graphics into the box. JPG, PNG, HEIC, TIFF, WebP, AVIF, BMP, GIF, PSD, ICO, and 30+ camera RAW formats (CR2, CR3, NEF, ARW, DNG, RAF, ORF, RW2, X3F and more) are accepted, alongside EPS and PSD. Drag thumbnails to reorder pages before converting.
- Pick Combine, Paper Size, and Page Layout: Choose Single PDF to bundle every image as one multi-page document (default) or Individual PDFs to get one PDF per image. Set Paper size to A4 (210×297 mm, default), Letter (8.5×11"), Legal, Tabloid, A3, Executive, Arch A/B, ISO B4/B5, or Original (page matches each image). Pick Portrait or Landscape orientation.
- Tune Margin, Placement, and Quality (Optional): Set Margin to None, Narrow (0.5", default), Moderate, Normal (1"), or Large. Image placement = Contained (fits the whole image with letterboxing, default) or Cover (fills the page and crops overflow). Image alignment = Top / Center / Bottom. Drop Image Quality below 75% to shrink large multi-page PDFs, or set Image Transparency to Removed to flatten PNGs onto a white background for printing. If the finished PDF still overshoots an upload cap, Split PDF divides it into parts you can send separately.
- Convert and Download: Click "Convert." Files are uploaded over an encrypted connection, processed on our servers, and deleted automatically after a few hours — no sign-up, no watermark, never shared.
Why Convert Images to PDF?
PDF (ISO 32000) is the only format that opens identically on Windows, macOS, iOS, Android, ChromeOS, and Linux without an extra viewer, so wrapping photos and scans inside a PDF is the safest way to ship them. A folder of 20 loose JPEGs arrives at the recipient as 20 separate attachments that can lose order, get reordered by Mail.app sorting, or stop previewing on phones that don't know HEIC. A single PDF preserves order, embeds the images at full resolution by default, prints to A4 or Letter without re-pagination, and can be password-protected, signed, or commented on in any PDF reader.
- Scanned documents and applications — Combine passport photo + ID + utility bill + bank statement into one PDF that a visa portal, landlord, or USCIS form-uploader will accept; most government and HR portals require PDF, not loose images.
- Photo portfolios and printable albums — Drop 40 RAW or HEIC photos into a single A4 PDF for a printable family album, real-estate listing booklet, or design portfolio without learning InDesign.
- Receipts and expense reports — Stack receipt photos in date order; Expensify, SAP Concur, and most accounting apps ingest one multi-page PDF far faster than dozens of attachments.
- Screenshots and meeting captures — Bundle annotated screenshots from a bug report, Figma export, or Slack thread so reviewers see them in your intended order — handy for QA logs and onboarding docs.
- iPhone HEIC compatibility — HEIC (default iPhone format since iOS 11 in 2017) still isn't supported by older Windows builds, many email clients, and most CMS uploaders; wrapping HEIC in PDF makes the photos viewable everywhere.
- Email-friendly bundles — Gmail's 25 MB and Outlook.com's 20 MB attachment limits punish loose images. One quality-75 PDF of the same shots typically lands well under both caps, especially with Image Compression trimmed to 60–70%.
Supported Input Formats
| Family | Extensions | Typical source |
|---|---|---|
| Standard photos | JPG / JPEG / JFIF | Cameras, web downloads, scans |
| Lossless / transparent | PNG | Screenshots, logos, UI mockups |
| Modern web | WebP, AVIF | Chrome / Firefox web exports |
| Apple / mobile | HEIC, HEIF | iPhone & iPad photos (iOS 11+) |
| High-quality scans | TIFF / TIF | Flatbed scans, archival, fax |
| Legacy raster | BMP, GIF, ICO, PPM | Old Windows apps, web icons |
| Layered / editor | PSD, XCF | Photoshop, GIMP exports |
| Camera RAW (30+) | CR2, CR3, CRW, NEF, ARW, DNG, RAF, ORF, RW2, PEF, MRW, X3F, 3FR, DCR, ERF, MOS | Canon, Nikon, Sony, Fujifilm, Olympus, Panasonic, Pentax, Sigma, Hasselblad, Kodak, Epson, Leaf |
| Vector / publishing | EPS | Adobe Illustrator, technical drawings |
Need a single-source-format page instead? See JPG to PDF, PNG to PDF, HEIC to PDF, TIFF to PDF, or WebP to PDF.
Paper Size Cheat Sheet
| Preset | Dimensions | Typical use |
|---|---|---|
| A4 (default) | 210 × 297 mm (8.27 × 11.69") | ISO 216 standard outside US/Canada — most printers worldwide |
| Letter | 8.5 × 11" (216 × 279 mm) | ANSI A — default for US/Canada printers and most US forms |
| Legal | 8.5 × 14" (216 × 356 mm) | US contracts, legal filings, ballots |
| Tabloid / Ledger | 11 × 17" (279 × 432 mm) | US large-format prints, spreadsheets, posters |
| A3 | 297 × 420 mm | ISO large-format (2× A4) — drawings, posters |
| A5 / B5 | 148 × 210 mm / 176 × 250 mm | Booklets, zines, EU paperbacks |
| Executive | 7.25 × 10.5" | Business letterhead, US executive correspondence |
| Original | Page = image | Photo books with no margins — page resizes per image |
Image Placement: Contained vs. Cover
| Setting | Behavior | When to pick it |
|---|---|---|
| Contained (default) | Whole image visible, white bars fill leftover space | Documents, scans, screenshots, anything where you cannot lose edge content |
| Cover | Image is scaled up to fill the page and the overhang is cropped | Photo books where you want full-bleed pages and don't mind trimming edges |
Pair Cover + Original paper size for edge-to-edge photo prints. Pair Contained + A4 + Narrow margin for mixed-size scans where every pixel must survive.
Frequently Asked Questions
Can I combine multiple images into one PDF or get a separate PDF per image?
Both. The Combine setting defaults to Single PDF, which stitches every uploaded image into one multi-page PDF in the order you arranged thumbnails. Switch to Individual PDFs to get a ZIP containing one PDF per image — handy when each scan represents a different document (e.g., separate invoices). If you only want to merge a stack of PDFs that already exist, use Merge PDF instead.
Will image quality be preserved?
By default the Image Quality slider is 75%, which re-encodes embedded JPEGs at a high-quality level visually indistinguishable from the source at normal viewing distance — Adobe and most modern viewers do similar by default. For archival scans or print-shop work, drag the slider to 100% to keep images near-lossless. For email-friendly bundles, drop to 60–70% to shrink file size dramatically with minimal visible loss.
Why is my HEIC iPhone photo not opening on Windows or in Gmail attachments?
HEIC is iOS-native (since iOS 11 in 2017) but support outside Apple's ecosystem is partial — Windows 10 needs the HEIF Image Extension from the Microsoft Store, many Linux distros and older Android builds can't preview HEIC at all, and most email clients show "no preview." Wrapping HEIC photos in PDF removes that friction: PDF readers are pre-installed everywhere. If you want to keep image files instead of a PDF, convert with HEIC to JPG first.
What's the difference between A4 and Letter, and which should I pick?
A4 (210 × 297 mm, ISO 216) is the default everywhere except the US and Canada, which use Letter (8.5 × 11", ANSI A). A4 is about 6 mm narrower and 18 mm taller than Letter. If your recipient will print in North America, pick Letter; if you're sending to the rest of the world, A4 is safer. When unsure, A4 is the published default of most online PDF tools and is accepted by most US government forms too.
How do I avoid white bars around my photos in the PDF?
Two options: set Image placement to Cover (fills the page and crops edges), or set Paper size to Original (each PDF page matches the image's pixel dimensions, leaving no leftover space). Combine Original + No margin for an edge-to-edge photo book where every page is sized exactly to its image. Note that with Cover, parts of tall portrait photos may be cropped on landscape pages — orientation must match.
Can I convert camera RAW (CR2, NEF, ARW, DNG) to PDF directly?
Yes — over 30 RAW formats are decoded server-side, including Canon CR2/CR3/CRW, Nikon NEF, Sony ARW, Adobe DNG, Fujifilm RAF, Olympus ORF, Panasonic RW2, Pentax PEF, Sigma X3F, Hasselblad 3FR, Kodak DCR, Epson ERF, Leaf MOS, and Minolta MRW. RAW is decoded with default white-balance and a baseline JPEG render is embedded in the PDF — fine for proofs and contact sheets, but for finished prints you'll want to develop RAWs in Lightroom or Darktable first and convert the exported JPEGs.
What happens to transparent PNG areas in the PDF?
By default Image Transparency = Unchanged, so PNG transparency is preserved in the PDF (most modern viewers render it over a white page background, which looks correct). Set it to Removed to flatten transparency onto a white background before embedding — pick this if you're sending the PDF to a print shop, since some commercial RIPs render transparency incorrectly. PSD and XCF transparency is handled the same way.
Is there a file count or page count limit?
There is no hard image count, page count, or per-file size cap. Hundreds of images are fine; just be aware that a 300-image PDF will be tens to hundreds of MB and will take longer to upload than it does to convert. If the resulting PDF is too large to email or upload (Gmail caps attachments at 25 MB), run it through Compress PDF afterwards or drop the Image Quality slider to 60% before converting.
Can I reverse the conversion — pull images back out of a PDF?
Yes. Use PDF to JPG to rasterize each PDF page back to a JPEG image at your chosen DPI. Note that this is a re-render, not a recovery of the original image bytes — if you need the exact original files, keep a backup before converting to PDF.