PDF to TIFF

Turn a PDF into one multipage TIFF with LZW compression, at the resolution and colour mode your filing system asks for.

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.pdf · up to 300 MB

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How to Convert to TIFF

1
Add your PDF
Drop in one file or up to ten. Each page is read by your own browser, so even a scanned case file never leaves the machine it is on.
2
Choose DPI and colour mode
Pick 100 to 400 DPI and colour, greyscale or black and white. Leave compression on LZW unless the system receiving the file insists on raw strips.
3
Download the TIFF
Press convert and save the file. By default every page lands in one multipage TIFF; switch that off and you get one file per page in a ZIP.

Why a single multipage TIFF still matters

Court filing portals, hospital record systems, fax gateways and municipal archives were built when TIFF was the document format, and many of them have never been rewritten. What they expect is one file holding every page in order, not a folder of numbered images. That is what comes out here: a classic little-endian TIFF whose pages are chained through the NextIFD field, the layout those systems parse. Pages are rendered at the DPI you choose rather than lifted out of the PDF, so vector text, form fields and annotations all flatten into the picture the receiving system will store and print.

Resolution, colour mode and file size

600 DPI is the default, so every detail survives; 200 DPI is the floor most intake gateways publish, 300 DPI is common for anything that will be read by OCR later, and 400 DPI suits small print or engineering drawings. Colour triples the size of every page against greyscale. Black and white is the dramatic saving: one bit per pixel instead of twenty-four, which turns a 9 MB scan into well under a megabyte, and the threshold slider decides where grey stops being paper and starts being ink.

Nothing is uploaded

Pages are rendered, converted and written into the TIFF inside your browser tab. No file is sent to a server, nothing is queued for processing somewhere else, and there is no copy for anyone to delete later. Close the tab and both the PDF and the TIFF are gone from memory. Medical scans, contracts and case files can be converted without leaving your device.

Frequently asked questions

Why would anyone still need TIFF in 2026?

Because the systems that receive documents have not changed. Court e-filing portals, hospital archives, insurance intake desks and fax gateways still specify TIFF, usually multipage and often black and white. The format is stable, lossless and older than most of the software reading it.

What is a multipage TIFF?

One TIFF file that holds every page of a document, each with its own image directory, chained one to the next. Readers page through it like a PDF. It is the default here; switch the multipage option off and you get a separate file per page instead.

What DPI do government and legal systems require?

Most intake gateways specify 200 DPI as a minimum; the default here is 600 DPI, so pick 200 if a gateway caps the file size. Systems that run OCR on what you send usually ask for 300 DPI. Check the filing guidance you were given, because a file below the stated resolution is often rejected outright.

How is LZW different from no compression?

LZW is lossless, so it changes the file size and not a single pixel. On text and line art it usually cuts the file three to six times. Uncompressed TIFF is only worth choosing when the software on the other end is too old to read compressed strips.

When should I choose black and white?

For scanned text, forms and faxes, where the page is ink on paper and nothing in between. One bit per pixel makes the file roughly twenty times smaller than colour. Photographs and coloured charts should stay in colour or greyscale, because thresholding destroys the shading.

Why is my TIFF so much bigger than the PDF?

Because a PDF stores text as instructions while a TIFF stores every pixel of every page. A page of text is a few kilobytes as a PDF and several megabytes as a 300 DPI colour image. Lower the DPI, or switch to greyscale or black and white, to bring it down.

There is a limit on how big the TIFF can be, why?

Classic TIFF addresses its contents with 32-bit offsets, so one file cannot grow past roughly four gigabytes. If your settings would cross that, you are told before the conversion starts, with the option to drop to 150 DPI or save one file per page.

Does my file get uploaded anywhere?

No. The PDF is opened, rendered and encoded by code running in your browser tab, and the TIFF is built in memory on your own machine. Nothing is transmitted, stored or logged, and closing the tab discards everything.