Merge JPG to PDF

How to Merge JPG to PDF Online

1. Upload Your JPG Files: Click "+ Add Files" or drag and drop multiple JPG, JPEG, or JFIF images. All three extensions are accepted because they decode to the same JPEG bitstream — only the filename suffix differs. Batch upload is supported, and you can keep adding files until you start the merge.
2. Arrange Page Order: Drag the thumbnails to reorder. The first image becomes page 1, the second becomes page 2, and so on. Number your filenames before uploading (01_cover.jpg, 02_intro.jpg) if the natural sort order matches your intended page sequence — that's the single biggest source of "pages came out wrong" complaints across image-to-PDF workflows.
3. Set Paper size, Page layout, Image placement, Image alignment, and Margin: Paper size defaults to A4; choose Original (matches each image's pixel dimensions), Letter, Legal, Tabloid, A3, B4, B5, Executive, or Arch A/B. Page layout is Portrait or Landscape. Image placement is Cover (image fills the page, may crop edges) or Contained (whole image fits inside the margins, white space added if aspect ratios don't match). Image alignment positions a Contained image as Top, Center, or Bottom. Margin presets are No margin (0"), Narrow (0.5"), Moderate (0.75x1"), Normal (1"), or Large (2x1").
4. Set Image Compression, Image Transparency, Compression Type, and Combine?: Image Quality (%) is a 1-100 slider that defaults to 75 — drop it to 60 to roughly halve the embedded JPEG size with minimal visible loss, raise it to 90+ for archival scans. Image Transparency is Unchanged or Removed (irrelevant for true JPGs since JPEG has no alpha channel, but matters if a PNG/HEIC slips into your batch). Compression Type tunes Ghostscript's PDF settings preset: Screen (smallest, ~72 dpi), Ebook, Default, Prepress, or Printer (largest, lossless 300 dpi). Combine? defaults to Single PDF; switch to Individual PDFs to output one PDF per image. Click "Merge", and files process in your browser session — no sign-up, no watermark.

Why Merge JPG to PDF?

JPEG is the universal photo format — every smartphone camera, document scanner, and webcam app produces it by default. PDF is the universal document format — every desktop, mobile OS, and email client opens it without a plugin, and a single PDF is far easier to send, file, sign, or print than a folder of loose images. Merging JPGs to a single PDF turns a pile of photos into one shareable, scrollable, printable artifact.

• Scanned receipts and expense reports — Combine 12 phone-camera receipt photos into one A4 PDF with No margin and Cover placement, then attach to a single expense-report row. Beats sending the accountant a zip of IMG_2847.jpg filenames.
• Photo albums for family or events — Use Original page size with No margin so each image's aspect ratio is preserved. A 200-photo album becomes one PDF you can scroll on any tablet or print as a hardcopy book. Landscape layout suits 3:2 DSLR shots; Portrait suits 4:3 phone shots.
• ID and visa application packages — USCIS, Schengen, and most university applications require a single PDF for "supporting documents". Photograph or scan each page, merge with Letter paper size and Normal (1") margin, and you have an application-ready file.
• Homework and assignment submissions — LMS portals (Canvas, Moodle, Blackboard) typically require PDF; phones produce JPG. Merge handwritten worksheet photos with Contained placement and Moderate margin so the page numbers in the corner aren't trimmed.
• Real-estate listing packages and product catalogs — Combine staged-property photos or product shots into a single brochure-style PDF. Cover placement with No margin gives an edge-to-edge gallery look; Contained with Narrow margin gives a cleaner framed look.
• Court filings, insurance claims, and medical records — Many jurisdictions and insurers will only accept PDF, not loose JPGs. Merging preserves page order (critical for chronological evidence), and the resulting file is easy to e-sign or password-protect downstream.

JPG vs PDF — Format Comparison

Settings by Use Case

Frequently Asked Questions

Why are my pages in the wrong order after merging?

PDFs are built in upload order, not filename order, so dragging files in via OS multi-select can give you whatever order your file manager hands the browser — alphabetical on most systems, but creation-time on some. Two fixes: rename files with a numeric prefix (01_, 02_, 03_) before uploading so any sort produces the right order, or use the drag-and-drop reorder in the page-order step before clicking Merge.

What's the difference between Cover and Contained image placement?

Cover scales the image so it fills the entire PDF page — fast, edge-to-edge, but crops anything that doesn't fit the page aspect ratio. Contained scales the image so the whole thing fits inside the margins, adding white bars on the short side if the aspect ratios don't match. Use Cover for photos and gallery layouts; use Contained for documents and scans where you must not lose edge content.

How big will my merged PDF be?

Roughly the sum of the embedded JPEG sizes plus a few KB of PDF structure overhead per page. Image Quality 75 (default) re-encodes at the same quality the JPEG already uses on most cameras, so file size stays close to the originals. Setting Compression Type to Screen further downsamples to ~72 dpi for screen viewing, which can shrink a 50 MB album to under 10 MB. For email-friendly output, run the result through Compress PDF afterward.

Should I keep transparency or remove it?

True JPEGs have no alpha channel, so the Image Transparency setting has no effect on them. It only matters if your batch contains PNG, HEIC, or WebP images (some converters accept these as inputs). For pure JPG batches, leave it on Unchanged.

What's the difference between Single PDF and Individual PDFs?

Single PDF (the default) merges all uploaded images into one multi-page PDF. Individual PDFs creates one PDF per JPG — useful when you need to convert a batch but keep the files separate, for example when each receipt needs its own attachment in an expense system.

Can I merge JPG, PNG, and HEIC files together?

This page accepts JPG, JPEG, and JFIF — all the same format under different filename extensions. To merge mixed image types, use Merge image to PDF, which accepts JPG, PNG, HEIC, GIF, BMP, TIFF, and other raster formats in the same batch. Output is a single PDF where each input image becomes one page.

Will my JPGs be re-compressed (and lose quality) during the merge?

Only if Image Quality is below 100. At Image Quality 100 with Compression Type set to Printer, images are embedded close to their original encoded form and the PDF acts as a lossless container. Any quality below 100 re-encodes the JPEG, which adds a generation of lossy compression on top of whatever the camera already applied. For archival scans, set Quality to 95+ and Compression Type to Prepress or Printer.

Does this work for scanned multi-page documents from my phone?

Yes — apps like iOS Notes, Apple Files, Google Drive, Adobe Scan, and Microsoft Lens all save scans as JPG by default. Upload the JPGs in order, choose Letter or A4 paper, Portrait layout, Contained placement, and Normal (1") margin. The output is a clean, paginated PDF suitable for email, e-signature, or filing. For HEIC scans (iPhone default in some apps) use Merge HEIC to PDF instead, or convert via JPG to PDF if you only have a single image.

Is the PDF compliant with PDF/A for long-term archiving?

The output is standard PDF (ISO 32000), not PDF/A (ISO 19005). PDF/A requires embedded fonts, no encryption, and other archival constraints — these aren't typically applied to image-only PDFs. For most personal, business, and educational uses, standard PDF is fine and is what email clients, e-signature services, and government portals expect. If you need PDF/A specifically (some legal e-filing systems require it), convert the merged PDF through a PDF/A processor as a separate step.