TIFF to PDF

What is TIFF?

TIFF (Tagged Image File Format) is the long-running standard format for high-fidelity raster images. Born in the mid-1980s for desktop publishing, it supports lossless compression, multiple colour spaces (RGB, CMYK, grayscale, Lab), 16-bit-per-channel depth, embedded ICC profiles and multiple frames inside one file. That flexibility is why it is still the default output for document scanners, museum and archive digitisation projects, microscopes, satellite and aerial imagery, GIS exports, and any pre-press workflow that cares about colour accuracy. The trade-off is filesize — TIFFs are large — and the fact that web browsers and consumer image viewers often cannot open them.

What is a PDF?

A PDF (Portable Document Format) is a self-contained document format that bundles text, fonts, images, vector graphics and page layout into a single file that looks identical everywhere it opens. For a TIFF — especially one that nobody outside your scanner software can preview easily — a PDF is the universal way to hand someone the same picture in a form they can open.

Why convert TIFF to PDF?

The most common reason is sharing scans. Document scanners default to TIFF for archival quality, but the recipient rarely has software that opens it directly. Wrapping the scan in a PDF means it opens immediately in any PDF reader, email preview, or browser tab.

The second is archival packaging. Museum scans, library digitisation, medical imaging exports and microscopy frames are often delivered as TIFFs. Converting to PDF gives you a portable, metadata-rich container that browsers and document management systems index cleanly.

The third is GIS and aerial imagery sharing. GeoTIFF exports from QGIS, ArcGIS and remote-sensing pipelines need a viewer most recipients do not have. A PDF is good enough for visual review, markup and inclusion in reports — the geographic data does not travel with it, but the picture does.

The fourth is upload portals. Many systems reject TIFF outright (it is not on the common “JPG, PNG, PDF” allow-list) but accept PDF without complaint.

How to convert TIFF to PDF on ToolJutsu

1. Drop your TIFF files onto the dropzone, or click to browse. Multiple files at once is fine. Everything is read locally; nothing leaves your device.
2. Reorder the thumbnail list by dragging if you want a specific page sequence. Each TIFF will become one PDF page in the order shown.
3. Pick a page size — fit-to-image keeps each page exactly the shape of its TIFF; A4 or US Letter centres each image on a standard page with margins, preserving aspect ratio.
4. Click Convert to PDF. Each TIFF is decoded by the lazy-loaded UTIF.js library, drawn onto a canvas in sRGB, re-encoded as JPG (at 92% quality), and embedded via pdf-lib. The result downloads automatically.

Quality tips for TIFF to PDF

For document scans, the JPG re-encode at default quality is visually indistinguishable from the source. If you are archiving the result and worry about cumulative compression, run the JPG quality higher (95–98%); if filesize matters more, drop it lower.

For CMYK pre-press TIFFs, expect a slight colour shift. Canvas is sRGB-only, so the conversion goes CMYK → sRGB before encoding, which may change saturation in dark blues and reds. For colour-critical work, convert the TIFF in a colour-managed app first.

For multi-page TIFFs, only the first frame is converted. If you need every page, split the TIFF into single-frame files in a desktop tool first, then drop those here as a batch — they will become PDF pages in the order you arrange them.

For very large scans, decoding happens in memory. Modern laptops handle most archival scans fine; older devices may need single-file batches or a downsampling pass first.

Privacy

Your TIFF files stay on your device. UTIF.js (the TIFF decoder) loads once from this site and caches; pdf-lib does the PDF assembly; both run entirely in JavaScript inside your browser tab. There is no upload, no server-side processing, and no analytics on your image contents. Confirm in your browser’s Network panel, or disconnect from Wi-Fi after the page loads — the converter still works.

Compatibility notes

The output is a standard PDF 1.7 file with embedded JPG image streams, which every modern PDF reader supports — Adobe Acrobat, Apple Preview, the built-in viewers in Chrome, Edge, Firefox and Safari, and mobile readers on iOS and Android. If you have a mix of TIFF and other formats in one batch, use Image to PDF, which accepts every common image format. For preserving full multi-page TIFF content, a dedicated desktop tool (ImageMagick, IrfanView, Photoshop) is currently the right place to start.