Compress PDF for SciSpace

SciSpace recommends keeping PDFs under 100MB for smooth parsing and AI analysis. Compress your PDF here before uploading to avoid errors and improve processing speed.

SciSpace File Size Limits (Quick Fix)

👉 Fix: Compress your file below 100 MB using the tool above.

📄
Drop your PDF here
or click to upload — PDF only
Target size (optional)
targeting 100 MB

How to use this tool

About this tool

SciSpace works best with text-based PDFs. Scanned documents may require OCR before uploading for reliable text extraction. For very long monographs or books, splitting by chapter before uploading gives the most accurate AI analysis. Files with complex non-searchable images may cause upload or analysis errors.

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💡 Good to know

❓ Frequently Asked Questions

What is the PDF size limit for SciSpace?+

SciSpace recommends keeping PDFs under 100MB for smooth parsing and AI analysis. Files over this size may cause upload or processing errors.Source: SciSpace

Why does SciSpace work better with text-based PDFs?+

SciSpace's AI reads the text layer of the PDF. Scanned documents stored as images require OCR processing before the text can be extracted and analysed.Source: SciSpace

What should I do if my PDF is too large for SciSpace?+

Compress the PDF below 100MB using the tool above. For very long monographs or books, split by chapter and upload each section separately for better analysis accuracy.Source: SciSpace

Why is my scanned PDF not working in SciSpace?+

Scanned PDFs are stored as images rather than text. SciSpace may require OCR processing to extract text from them. Run OCR on the document first, then re-upload.Source: SciSpace

Does compressing a PDF affect SciSpace's research analysis?+

No. SciSpace reads the text layer of the PDF. Compressing image quality reduces file size without affecting the text content used for AI analysis and citation extraction.Source: SciSpace

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