Files are processed in your browser, not uploaded. Privacy →
Deckle
Open a PDF
Skip to guide

PDF to images

How to convert a PDF to JPG for an online form

By DeckleUpdated

To upload a PDF to a form that only accepts JPG, open PDF to JPG, choose Choose pages and type the page the form asks for, keep Resolution on Standard and JPEG quality on Balanced, then choose Export images. Check the file size against the form's limit and step the settings down if it is too large. Each page becomes its own JPG, and your PDF is not changed.

PDF to JPG

Same physical page, more pixels

150 DPI

Letter: 1,275 × 1,650 pixels

300 DPI

Letter: 2,550 × 3,300 pixels

Double each dimension → four times the pixels

Example calculation · nominal sizes for an 8.5 × 11-inch page. Actual exports depend on page geometry and rounding.

How to convert a PDF to JPG for an online form

  1. Read the form's rules: which format, how many files, and the maximum size per file, such as "JPG, max 2 MB".
  2. Open PDF to JPG and choose your PDF, or drop it onto the page.
  3. Under Pages, choose Choose pages and type the page or pages the form needs, such as 1.
  4. Under Resolution, keep Standard (150 DPI).
  5. Under JPEG quality, keep Balanced.
  6. Choose Export images and download the JPG.
  7. Check the file size and open the image to confirm the text is readable, then upload it.

If the form allows one file but your document has several pages, see the section on multi-page documents below before you export.

Fit the file under the size limit

Deckle has no target-size option, so work in steps. Change one setting at a time and check the size after each export.

Form limit First try If still too large
5 MB or more Standard, Balanced Rarely needed
2 MB Standard, Balanced Standard, Smaller
1 MB Standard, Smaller Screen, Balanced
500 KB or less Screen, Balanced Screen, Smaller

Lowering Resolution saves the most space, because each step down leaves roughly a quarter of the pixels. Lowering JPEG quality saves less but keeps the pixel size. At Screen an A4 page is about 595 × 842 pixels, and small print can become hard to read, so open the image and check before you upload.

Pages with photos, coloured backgrounds or scanned paper make bigger files than plain text pages at the same settings. A scanned passport page can be several times the size of a typed letter. Why a PDF to JPG file is too large explains the trade-offs in more detail.

Forms that ask for one file from a multi-page PDF

JPG holds one page. If the form wants a three-page document as one JPG upload, you have three options:

  • Check whether the form accepts PDF. Many do, even when the instructions mention images. Upload the PDF as it is.
  • Upload each page. Some forms let you add several files. Export with All pages and upload document-001.jpg, document-002.jpg and so on in order.
  • Send the page that matters. Identity and address checks usually need one page, such as the first page of a bank statement or the photo page of a passport.

Deckle does not combine pages into a single image; why a PDF turns into several images explains why.

Example: a university application asks for "proof of English, JPG, max 1 MB". Your test report is a 2-page PDF and the score is on page 1. Type 1, choose Standard and Smaller, and export. The JPG is readable and comfortably under 1 MB, so you upload ielts-report-001.jpg.

Check before you upload

  • Read it at 100%. Names, dates and reference numbers must be legible, or the submission may be rejected.
  • Check the extension. The file must end in .jpg. Renaming a PNG or PDF does not convert it, and many forms check the real format.
  • Keep the original. Some forms ask for the PDF later; it has selectable text and is the version of record.

Tips

  • Start at Standard and Balanced. It is the right size for most forms and keeps text clear.
  • Lower resolution before quality. It saves more space for the same readability loss.
  • Rename the file. passport-photo-page.jpg is clearer to the person reviewing your application.
  • Do not photograph your screen. An export is sharper and smaller than a phone photo of the PDF.

Frequently asked questions

How do I make a PDF into a JPG under 1 MB?

Export the page at Standard with Smaller. If it is still over 1 MB, use Screen with Balanced and check the text is readable.

The form says my JPG is invalid. Why?

Check the extension is .jpg and the file was exported, not renamed. Also check the size and pixel limits the form states.

Can I upload all pages as one JPG?

No. Deckle makes one JPG per page. Upload each page, or upload the PDF if the form accepts it.

Does converting change my PDF?

No. Deckle creates a new JPG and leaves the PDF unchanged.

Related tools

  • PDF to JPG to export the pages a form asks for
  • Split PDF to upload part of a PDF as a smaller PDF
  • JPG to PDF when a form asks for a PDF and you only have photos