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Images to PDF

How to merge multiple images into one PDF

Images-to-PDF is useful for submissions, receipt archive, and screenshot packages. Sort images first, merge, review page order, then compress if the file is too large.

Merge images into PDF

Use the image-to-PDF tool below to create one PDF from multiple images.

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Drop files here, or click to choose

Supports 1-20 images, up to 30MB each

Current limit: up to 20 files, each up to 30MB

Answer block

Quick answer

Images-to-PDF is useful for submissions, receipt archive, and screenshot packages. Sort images first, merge, review page order, then compress if the file is too large.

Key steps

  1. 1Sort images in final page order and remove duplicates or blurry files.
  2. 2Check orientation and clarity before merging.
  3. 3Open the PDF after generation; compress only if the platform size limit requires it.
  4. 4Prepare images
  5. 5Merge PDF

Before merging

OrderSort by page number or timeFixing order later is slower
OrientationKeep pages readableAvoid upside-down pages
ClarityText and receipt edges readableRetake blurry photos
File sizeMany images can create a large PDFCompress after review if needed

Share this scenario

Card generation is off by default and only uses public page text, brand, URL, and QR code.

Before merging

Item
Requirement
Note
Order
Sort by page number or time
Fixing order later is slower
Orientation
Keep pages readable
Avoid upside-down pages
Clarity
Text and receipt edges readable
Retake blurry photos
File size
Many images can create a large PDF
Compress after review if needed

Workflow

1

Prepare images

Remove duplicates and sort by final order.

2

Merge PDF

Upload images and create one PDF.

3

Review the PDF

Check page order, orientation, margin, and clarity.

4

Compress if needed

Use PDF compression when a size limit applies.

FAQ

What if the page order is wrong?

Sort the source images and generate the PDF again.

What if the PDF is too large?

Compress source images or compress the final PDF, then check readability.

Is this enough for invoice archive?

It can package receipt images, but use invoice OCR when you need fields and amount totals.

Related scenarios

How to compress a photo to 20KB, 50KB, or 100KB

Compress registration photos to a target file size while preserving clarity and following the official upload prompt.

How to turn many invoices into an Excel reimbursement sheet

Batch OCR invoices and receipts, extract fields and amounts, review low-confidence values, and export Excel.

How to compress a PDF attachment for chat or email

If a PDF attachment is too large to send, check the platform prompt, compress the PDF, and review readability before sending again.

Merge multiple images into one PDF | CatConvert