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PDF-06 · PDF to Images
PDF to images
Export every page as a PNG or JPEG image, at the resolution you choose. Nothing leaves your device.
Why DPI choice matters more than it looks like it should
DPI (dots per inch) controls the output resolution per page — low DPI (72–96) is fine for quick previews or web use; high DPI (300+) is what you actually want for anything meant to be printed or zoomed into. The tradeoff is real: an A4 page at 300 DPI is already tens of megabytes of raw pixel data per page before compression, which is why this tool clamps maximum output dimensions rather than letting a DPI + page-size combination silently exhaust available memory.
What actually happens on a large multi-page document
Every page becomes a separate image file at your chosen DPI and format — for a many-page document at high DPI, that's a genuinely large total output. Consider whether you actually need every page at maximum resolution, or whether a lower DPI for most pages (with high DPI reserved for pages you'll specifically print or zoom into) is the more practical choice.
What DPI should I use for PDF-to-image conversion?
72–96 DPI is adequate for screen viewing or quick previews; 150 DPI is a reasonable middle ground; 300 DPI is the standard for anything meant to be printed. Higher DPI means larger, sharper images but significantly more memory and file size per page — match it to what the images are actually for.
Why is there a maximum resolution clamp on the output?
An A4 or Letter page at 300 DPI is already tens of megabytes of raw pixel data per page before any compression — without a clamp, a high DPI setting on a large page size can exhaust available browser memory. The clamp protects against that failure case, which otherwise fails silently on some devices (especially iOS Safari) rather than throwing a visible error.
What image format should I export to?
PNG for lossless quality (larger files, best for anything with text or line art); JPEG for smaller files when some compression loss is acceptable (better for photo-heavy pages). Match the format to what the images are actually for, same tradeoff as any other lossy-vs-lossless choice.
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