Choosing the Right PDF-to-Image Workflow
Converting PDF pages to images is useful for previews, slides, thumbnails, and image-based workflows. The main trade-off is resolution: higher rendering scale preserves small text but increases memory use and output size.
Match resolution to the destination
For web previews or messaging, moderate resolution is usually enough. For small text, diagrams, or print-oriented reuse, render at a higher scale and inspect the result at 100% zoom before deciding the quality is sufficient.
Remember that images lose PDF behavior
An exported page image no longer has selectable text, links, form fields, vector scalability, or document structure. Keep the PDF when those features matter and use images as derivatives rather than replacements.
OCR and image conversion solve different problems
PDF-to-image creates a visual copy of each page. If the goal is searchable or editable text from a scanned page, run OCR on the PDF or exported image instead of expecting image conversion itself to recognize characters.