Resize TIF

How to Resize TIF Images Online

1. Choose Your TIF Files: Drag and drop TIF images onto the page or click "Choose TIFF files" — up to 50 at once. The first photo opens in the editor and the rest line up as thumbnails below it; with two or more photos open, "Add more" adds files to the same batch.
2. Set the New Size: In Resize, type a "Width" or "Height" in pixels or percent — with "Keep aspect ratio" on, the other side follows — or pick a "Size preset" (percent of original, a target height, or a platform size such as an Instagram post). The size applies to every photo in the batch.
3. Pick the Output Format (Optional): "Save as" keeps "Same as original" or saves as JPG, PNG, WebP or another format. For JPG, WebP and AVIF output, the "Quality" slider (40–100) trades file size against detail. Resize, Crop, Rotate and Flip all work in the same session, and "Undo" steps back.
4. Download: Click the Download button, which names the output format (for example "Download PNG"), for one photo, or "Download all (.zip)" for a batch — "Download one by one" saves the files separately. The editor opens TIF files right in your browser whenever your browser can decode them, so those files are not uploaded. A file it can't decode is either processed on our servers and deleted automatically afterward — the editor says so before you download — or skipped with a note. No sign-up, no watermark.

Why Resize TIF Images?

TIFF (Tagged Image File Format), first published by Aldus in autumn 1986 and now maintained by Adobe since the 1994 acquisition, is the gold standard for print, prepress, archival scanning, GIS, and scientific imaging. The format excels at preserving every pixel — but that fidelity comes at a cost. A 600 DPI letter-size scan often weighs 80-100 MB uncompressed; a 45-megapixel mirrorless TIFF can exceed 250 MB. Resizing reduces dimensions for review, web preview, email, or downstream pipelines while keeping the TIF wrapper that pro workflows require. Common reasons:

• Scale 300 DPI A4 scans to email-friendly previews — A 300 DPI A4 scan is roughly 3508 × 2480 px and tens of megabytes uncompressed. Scaling to 50% gives a 1754 × 1240 review copy that still looks sharp on screen and slips comfortably under Gmail's 25 MB attachment cap.
• Prepare web previews of high-res print masters — Print masters are typically delivered at 300 DPI for the final trim size. Resize a 6000 × 4000 print TIFF to 1200 × 800 for the web preview while keeping the original at full resolution as the master.
• Downsize multi-gigabyte GeoTIFFs for review — Satellite, drone, and aerial GeoTIFFs routinely run 10000 × 10000 px or larger. Scale to 10-20% for QGIS / ArcGIS preview tiles or stakeholder review, retaining the master for analysis.
• Reduce medical and microscopy TIFFs for second-opinion review — Pathology slide scans and DICOM-derived TIFFs are massive. A 25% downscale produces a teleconsult-friendly file that opens instantly in any DICOM viewer.
• Generate thumbnails for digital asset management — DAM systems (Bynder, Brandfolder, Widen, MediaValet) ingest tens of thousands of high-res TIFFs at 800 × 800 for catalog thumbnails. Drop the whole batch in here — up to 50 masters at once — and the same resize applies to every file; Compress TIF is the pick instead when you also need to re-encode or shrink file size, not just resize.
• Cap files for print-vendor uploads — Print shops and online photo labs often cap uploads at 100-500 MB per asset. A modest downscale keeps the TIFF wrapper your vendor expects while landing under the limit — the editor saves TIFF with lossless Deflate compression.

TIF Resize Settings — What the Editor Offers

The editor has no DPI, bit-depth, compression-type or file-size-target setting. To hit a byte budget, run the result through Compress TIFF.

TIF DPI / Print-Size Quick Reference

ArtisanHD, Printivity, and most large-format print shops recommend a 300 DPI minimum at the final trim size, with 150 DPI acceptable for large prints viewed from a distance.

Frequently Asked Questions

Will resizing reduce the quality of my TIF?

Downscaling (smaller output) is generally safe — you're discarding pixels, not corrupting them, and the editor saves TIFF with lossless Deflate compression, so no compression loss is added. Upscaling (larger output) can soften details because new pixels must be interpolated; no resampler invents detail that wasn't captured. For best results, only resize down, then apply a gentle Unsharp Mask in Photoshop or GIMP to restore crispness if needed.

What's the difference between resizing and changing DPI?

Resizing changes the pixel count (e.g., 6000 × 4000 down to 1200 × 800). DPI is only a tag that tells a printer how big to render those pixels — it adds or removes no data. This editor changes pixels and has no DPI setting (a TIFF keeps its original DPI tag); to re-tag a file for a print pipeline, use your layout or photo software. To print larger at the same sharpness you need genuinely more pixels.

Can I keep multi-page TIFFs intact after resizing?

The editor works on the first page of a multi-page TIFF. Downloaded without an edit, the file is your original with every page; once you resize it, the saved TIFF holds the first page only, and the editor says so as soon as the file opens ("This TIFF has N pages: an edit here keeps only the first page"). To resize every page, split the file into single-page TIFFs first (IrfanView, XnView or ImageMagick magick input.tif page-%d.tif) and resize each one.

Will resizing strip GeoTIFF, EXIF, XMP, or ICC metadata?

Yes, apart from the print resolution. The saved TIFF is a fresh baseline file: it keeps the DPI tag, but not EXIF camera data, XMP / IPTC keywords and copyright, ICC color profiles, or GeoTIFF georeferencing tags. Color is converted to sRGB (a CMYK TIFF is saved as RGB, with a note when it opens), and a 16-bit file is saved as 8-bit. For press archives, legal e-discovery, and GIS workflows where metadata is part of the asset's value, resize with a desktop tool that carries it over (for GeoTIFF, GDAL's gdal_translate -outsize) and keep the original.

Should I keep the file as TIF or convert to JPG / PNG / WebP?

For print, prepress, archival, and scientific workflows, keep TIF — clients and printers usually require it. For web, email, and screen-only review, JPG or WebP cuts file size 5-20× with no visible loss at sensible quality settings. See TIF to JPG, TIF to PNG, or TIF to WebP for those flows. Stick with TIF when downstream tools (Photoshop layers, Lightroom catalog, ArcGIS, ImageJ) expect it.

What's the file size limit?

TIF files open right in your browser whenever it can decode them, so the practical limit there is how much memory your browser tab can hold rather than a fixed file-size cap. A file the browser can't decode, or one over 300 megapixels, is either processed on our servers and deleted automatically afterward — the editor says so before you download — or skipped with a note. The output can be up to 16384 px on a side and 120 megapixels. Note that classic TIFF is technically capped at ~4 GiB by its 32-bit internal offsets; BigTIFF (introduced 2007, supported by libtiff 4.0+) extends this to 18 EB, though a file anywhere near that size will exhaust a browser tab's memory long before the format's own ceiling. If you hit "file too large" errors in practice, it's your device's RAM, not the TIFF spec.

Should I drop bit depth from 16-bit to 8-bit when resizing?

This editor decides for you: it works in 8 bits per channel, so a 16-bit TIFF is saved as 8-bit (the editor notes it when the file opens). That is fine only if you don't need the precision. 16-bit TIFF stores 65,536 levels per channel — vital for color grading, raw conversion, scientific imaging, and HDR pipelines. 8-bit (256 levels per channel) halves storage and is fine for final delivery, web preview, and most office workflows. Reducing bit depth is a one-way conversion; resize a copy here and keep the 16-bit master untouched.

Can I resize many TIFFs in one batch?

Yes — drop up to 50 TIF files at once (a mixed batch works too). The size, format and quality you set apply to every file in the batch; "Download all (.zip)" saves every resized result in one ZIP, and "Download one by one" saves them separately.

What if I just need to compress, not resize?

If dimensions are already correct and you only need to shrink the file, use Compress TIF to apply LZW / DEFLATE / ZSTD lossless compression or JPEG-in-TIFF lossy compression without changing pixel dimensions. To crop or rotate as well, see Crop TIF or Rotate TIF.