| Use Case | Color Mode | Compression | DPI (Resolution) | Multi-Page? | | :--- | :--- | :--- | :--- | :--- | | | Black & White | CCITT Group 4 | 300 DPI | Yes (single TNS) | | Medical image (X-ray/scan) | Grayscale | LZW | 600 DPI | Per page | | Colored brochure | 24-bit RGB | JPEG (80% quality) or LZW | 300 DPI | Yes | | Old fax system | Black & White | CCITT Group 3 | 200 DPI | Yes (single TNS) | | OCR preparation | Black & White | CCITT Group 4 | 300 DPI | Per page |
IrfanView is a tiny (under 5 MB) image viewer that packs a punch. With the optional , it becomes a PDF to TNS powerhouse. Pdf To Tns Converter Free
GIMP is a Photoshop alternative. While it can’t natively save multi-page TIFF, you can convert PDF to TNS one page at a time for free. | Use Case | Color Mode | Compression
A: You likely selected “Black & White” but your PDF contains light grayscale text. Switch to “Grayscale” or increase DPI to 600 before converting. GIMP is a Photoshop alternative
Zamzar is a veteran of file conversion. While its free tier is limited, it’s highly reliable for urgent, small-scale PDF to TNS tasks.
A: Some free tools (like PDF24) will ask you for the password. Online converters cannot unlock encrypted PDFs. Remove password protection first using a free tool like QPDF.
A: No. Google Drive can preview PDFs and TIFFs but cannot convert between them. You would need an add-on like “CloudConvert” (free tier available). Conclusion: The Best Free PDF to TNS Converter is… After exhaustive testing, the winner is PDF24 Creator for desktop users and Online-Convert.com for those without installation privileges.