A PDF feels “just text,” but a phone photo or scan saved as PDF is mostly a big image wrapped in a PDF container. That’s why a one-page “document” can be 5–20MB.
Common reasons a PDF balloons
- High-resolution camera JPG converted without compressing
- Multi-page scans at full sensor size
- PNG screenshots embedded without re-encoding
- Export settings that keep near-original quality
Zipping a PDF rarely helps much — the images inside are already compressed formats. Re-encoding the images smaller helps.
What Imgician can do
Already have the PDF? Use Compress PDF — it re-renders every page and rebuilds a smaller file aimed at a target size you choose, right in your browser. It works on any PDF, but shines on scans and photo-heavy documents (short text-only PDFs are often small enough already).
Starting from a photo? Compress the image first, then convert image to PDF so the new PDF stays light from the start — this avoids rasterizing text unnecessarily.
Fix an existing PDF
- Open Compress PDF and drop your file.
- Pick a target size — 100KB, 300KB, or 1MB are common upload caps.
- Cast the spell and download — the file never leaves your device.
Fix a photo → PDF workflow
- Compress with 300KB, 500KB, or 1MB depending on your upload limit.
- Convert with Image to PDF.
- Step-by-step: JPG to PDF under 300KB.
Related
- Compress PDF to 300KB or 1MB
- Decrease PDF size online
- Compress a scanned PDF
- Merge or split a PDF for free
- Convert image to PDF on iPhone
- Reduce JPG size for email
FAQ
Why is my PDF larger than the Word doc?
Word stores text efficiently; a photo PDF stores image pixels. Scans behave like pictures, not typed pages.
Is it better to ZIP a PDF or compress it?
Compress it. ZIP is a convenience pack around already-compressed image formats and barely shrinks a photo PDF; a real compressor re-renders and recompresses the pages.
Will compressing lose text selectability?
With Compress PDF, yes — pages are rasterized to guarantee a smaller file on any PDF, so text stops being selectable in the result. If you need to keep selectable text, only compress the photos before converting instead.
Can I make a PDF under 300KB with Imgician?
Yes, two ways: compress an existing PDF with Compress PDF to 300KB, or compress a single image first, then convert — see the 300KB guide.
Ready to cast a spell?
