How to convert a long-form pdf to a single scroll image
- Step 1Upload the long-form PDF — Drop the document into the image strip converter.
- Step 2Set a narrow width for readability — Use 700-900px width so text remains readable when scrolled.
- Step 3Convert to a continuous scroll image — All pages are rendered and joined into one tall image.
- Step 4Embed in your newsletter or landing page — Insert the image with a scroll container or as a full-width embed.
Frequently asked questions
What is the maximum image height supported?+
Most browsers support images up to 65,536px in height. For very long documents, split into multiple strips and use a CSS scroll container.
Will text be legible in the scroll image?+
At 700-900px width, body text of 10-12pt renders legibly in the image. Increase the output DPI setting for sharper text.
Can I embed the scroll image in a Substack newsletter?+
Yes — Substack supports embedded images of any height. Upload the scroll image directly to the post.
Privacy first
All PDF processing runs locally in your browser using PDF-lib and pdf.js. No file is ever uploaded — only metadata counters are saved for signed-in dashboard stats.