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TIFF to PDF Converter

TIFF is the professional archival raster format used by flatbed scanners, fax machines, and document management systems for high-fidelity multi-page document images.

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Multi-page TIFF supported

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Lossless conversion

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No upload to any server

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Free with no limits

Cost: Free tier
Sign-up: Not required
Processing: Tool-specific
Privacy: Clearly disclosed

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Add this Image to PDF to your website

Drop the Image to PDF into any page — blog post, product docs, intranet, school portal — with a single line of HTML. Your visitors get the full tool, processed entirely in their browser. No backend, no uploads, no signup.

Files stay 100% in the visitor's browser
Responsive — adapts to any container width
Free forever, no API key needed

Embed code

<iframe
  src="https://www.fixtools.io/pdf/image-to-pdf?embed=1"
  width="100%"
  height="780"
  frameborder="0"
  style="border:0;border-radius:16px;max-width:900px;"
  title="Image to PDF by FixTools"
  loading="lazy"
  allow="clipboard-write"
></iframe>

<iframe
  src="https://www.fixtools.io/pdf/image-to-pdf?embed=1"
  width="100%"
  height="780"
  frameborder="0"
  style="border:0;border-radius:16px;max-width:900px;"
  title="Image to PDF by FixTools"
  loading="lazy"
  allow="clipboard-write"
></iframe>

Attribution-friendly: a small "Powered by FixTools" link appears in the embed footer.

TIFF as a document scan format and the case for converting to PDF

TIFF (Tagged Image File Format) is a flexible container format originally developed by Aldus in 1986 and now maintained by Adobe. Unlike JPG or PNG, TIFF can hold multiple images (pages) in a single file using the multi-IFD structure, with optional compression (none, LZW, PackBits, JPEG, CCITT Group 4 for fax, ZIP) and a rich set of tags describing color space, resolution, and metadata. Document scanners, fax machines, and document management systems use TIFF widely for archival because the format is extensible, lossless when configured to be, and supports the bilevel CCITT Group 4 compression that is ideal for black-and-white text documents.

Converting TIFF to PDF is a common need because PDF is the universal document format while TIFF is a specialist scanner format. A multi-page TIFF arriving from a scanner becomes a multi-page PDF that opens in any reader on any device, can be signed electronically, and works with every document management workflow. FixTools handles both single-page and multi-page TIFF, reading each IFD (image file directory) in the TIFF structure and producing one PDF page per TIFF page. The output preserves the original page order and resolution.

TIFF parsing in the browser is implemented as a JavaScript module that reads the TIFF header (II for little-endian or MM for big-endian byte order, version 42 magic, IFD offset), walks the IFD chain, decodes each image's pixel data according to its compression tag (uncompressed, LZW, PackBits, CCITT, ZIP), and produces a raw pixel buffer per page. Each buffer is then embedded into the PDF as a FlateDecode stream, except for bilevel CCITT-compressed pages which are passed through with the CCITTFaxDecode filter to preserve the compact bilevel representation. The result is a PDF that matches the size and visual content of the source TIFF closely.

For document scans specifically, TIFF often uses CCITT Group 4 bilevel compression for the black-and-white text pages, achieving file sizes of around 30 to 50 KB per A4 page at 200 DPI. FixTools preserves this efficiency by passing CCITT-compressed pages through to the PDF's CCITTFaxDecode filter without recompressing. The resulting PDF is therefore similar in size to the source TIFF, sometimes smaller due to better PDF stream framing. This matters for archival contexts where storage costs scale with file size.

TIFF specification (Adobe)CCITT T.6 (Group 4) standard ISO 32000 PDF standard

How to use this tool

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Drop TIFF or TIF files onto FixTools. The tool parses each TIFF page and produces a multi-page PDF preserving the original quality and order.

How It Works

Step-by-step guide to tiff to pdf converter:

1
Locate your TIFF files
TIFF files come from scanners, fax archives, and document management systems. Filenames end in .tif or .tiff. Multi-page TIFFs hold multiple document pages in one file; single-page TIFFs hold one image each.
2
Open FixTools
Visit the FixTools Image to PDF page. The tool loads in your browser with no install and includes built-in TIFF parsing for every common variant including multi-page TIFF and CCITT-compressed bilevel TIFF.
3
Drop the TIFF files
Drag the TIFF files onto the upload zone. The tool detects TIFF from the II or MM magic bytes at the start of the file and routes the file to the TIFF parser. Multi-page TIFFs expand into per-page thumbnails so you can confirm the page order before converting.
4
Convert to PDF
Click Convert. The tool processes each TIFF page in order, embeds the pixel data with the appropriate PDF filter (FlateDecode for grayscale and color, CCITTFaxDecode for bilevel), and triggers the save dialog. The output PDF preserves the multi-page structure of the source TIFFs.

Real-world examples

Common situations where this approach makes a real difference:

Solicitor converting a faxed contract archive

A solicitor inherits a folder of TIFF files from a 2005-era fax archive, each holding three to twelve pages of contract text in CCITT Group 4 bilevel compression. FixTools converts each TIFF into a multi-page PDF preserving the CCITT compression, producing PDFs the same size as the TIFFs but readable in any modern PDF viewer. The PDFs go into the firm's document management system and the TIFFs can be archived offline.

Medical practice digitising paper records

A medical practice scans paper patient records using a high-volume ADF scanner that outputs multi-page TIFF at 300 DPI. The practice management system accepts only PDF. FixTools converts each TIFF to PDF per patient record, preserving the page order and resolution. The conversion runs locally in the practice manager's browser, so patient data does not pass through any third-party server.

Architect converting plotted drawing exports

An architectural CAD package exports plotted drawings as TIFF for sharing with clients. FixTools converts the TIFFs to PDF for client delivery, producing files that open in any browser or PDF reader on any device. The architect skips the step of opening each TIFF in a separate viewer and gets the right format for client distribution in one batch operation.

Library digitising historical document scans

A university library scans historical documents at high resolution to multi-page TIFF for archival. For public access through the library catalog they need PDF versions. FixTools converts the archival TIFFs to PDFs in batches, the PDFs are uploaded to the catalog, and the TIFF originals remain in the cold archive untouched.

Pro tips

Get better results with these expert suggestions:

Preserve CCITT-compressed bilevel pages for tiny PDF size

Bilevel (1-bit black and white) document scans compressed with CCITT Group 4 are an order of magnitude smaller than grayscale or color scans. FixTools preserves the CCITT compression by passing it through to PDF's CCITTFaxDecode filter, so a 30 KB-per-page TIFF stays at 30 KB per page in the PDF. Do not pre-convert these to PNG or JPG, which would lose the size advantage.

Check page order in multi-page TIFFs before converting

Multi-page TIFFs preserve the order they were scanned in, which is usually correct, but occasionally a scanner places pages out of order or duplicates a page. The tool shows per-page thumbnails so you can verify the order and remove duplicates before generating the PDF.

Use 300 DPI source for archival quality

300 DPI is the standard for archival document scans. At this resolution an A4 page is roughly 2480 by 3508 pixels, which prints crisp at 1:1 scale. Lower resolutions print fuzzy; higher resolutions consume more storage without visible benefit for most documents.

Strip TIFF metadata if it contains sensitive info

TIFF files can carry rich metadata tags including scanner serial number, scan operator, and document custody information. Some of this travels into the PDF via the PDF metadata stream. If the source TIFF carries sensitive metadata, strip it using a TIFF metadata tool before converting, or post-process the resulting PDF with a metadata-stripping tool.

FAQ

Frequently asked questions

Yes. Multi-page TIFFs are common output from document scanners and fax archives. FixTools reads each image file directory (IFD) in the TIFF structure and produces one PDF page per TIFF page in the original order. A ten-page TIFF becomes a ten-page PDF in a single conversion step.

The common variants: uncompressed, LZW, PackBits, ZIP/Deflate, JPEG-in-TIFF, and CCITT Group 4 (T.6) for bilevel documents. CCITT-compressed pages are passed through to the PDF CCITTFaxDecode filter without recompression to preserve the small file size. Other variants are decoded into pixel buffers and re-embedded with FlateDecode.

Roughly. For bilevel CCITT scans the PDF is similar in size to the TIFF because the compression is preserved. For grayscale and color TIFFs the PDF is often slightly larger or smaller depending on the source compression. Uncompressed TIFFs produce smaller PDFs because FlateDecode adds compression the TIFF lacked.

Yes. TIFF's native compressions (LZW, ZIP, CCITT) are all lossless, and the PDF target filters (FlateDecode, CCITTFaxDecode) are also lossless. The pixel data inside the PDF is bit-identical to the pixel data inside the TIFF. The only exception is JPEG-in-TIFF, which carries lossy JPEG content; the pixel data is preserved exactly from the decoded state forward but the original lossy compression is baked in.

Yes. Drop multiple TIFFs onto the upload zone and they are combined into a single PDF in the order you set. Multi-page TIFFs contribute all their pages in order, single-page TIFFs contribute one page each. The result is one PDF with all the pages from all the source TIFFs.

Reasonably large TIFFs work fine. The practical limit is browser memory: a 100 megapixel TIFF page consumes about 400 MB of RAM as a raw RGBA buffer. On laptops with 8 GB of RAM you can handle pages up to roughly 50 megapixels comfortably. Very large archival masters above that should be split or downsampled before conversion.

Yes. All TIFF parsing and PDF assembly happens in your browser. No file is uploaded. This is important for legal, medical, and archival contexts where the documents are sensitive. You can verify by watching the Network tab in browser developer tools during conversion.