{"id":1009,"date":"2026-07-21T09:13:00","date_gmt":"2026-07-21T13:13:00","guid":{"rendered":"https:\/\/www.xconvert.com\/blog\/?p=1009"},"modified":"2026-06-27T02:17:39","modified_gmt":"2026-06-27T06:17:39","slug":"compress-a-tiff-file-on-windows","status":"publish","type":"post","link":"https:\/\/www.xconvert.com\/blog\/compress-a-tiff-file-on-windows","title":{"rendered":"How to Compress a TIFF File on Windows (Without Quality Loss)"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">A 600 DPI color scan saved as an uncompressed TIFF can easily run <strong>20 MB or more per page<\/strong> \u2014 fine for an archive, awkward for email, OneDrive, or a shared folder. The frustrating part on Windows is that the tools sitting right in front of you don\u2019t really help: Paint and the Photos app can open a TIFF and resize it, but neither lets you choose a TIFF compression method like LZW or ZIP, and the new Windows 11 \u201ccompress\u201d feature just re-encodes as JPEG. This guide covers what actually shrinks a TIFF on Windows \u2014 lossless LZW\/ZIP, cutting resolution or bit depth, and a server-side tool for exact target sizes \u2014 and is honest about where the built-in apps fall short. We verified the TIFF compression facts against the Library of Congress format registry and the Adobe\/Aldus TIFF 6.0 specification.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Quick answer:<\/strong> To shrink a TIFF on Windows with <strong>zero quality loss<\/strong>, re-save it with <strong>LZW<\/strong> or <strong>ZIP\/Deflate<\/strong> lossless compression (typically ~50% smaller for an uncompressed 8-bit photo). <strong>Windows Paint and Photos can\u2019t pick a TIFF compression method<\/strong>, so use an app that can (IrfanView, GIMP, Photoshop) or <a href=\"https:\/\/www.xconvert.com\/compress-tiff\">compress TIFF online<\/a>. For a dramatic cut, the real levers are <strong>lowering resolution\/bit depth<\/strong> or converting to JPG\/PDF \u2014 lossless compression alone won\u2019t halve a 600 DPI scan. On a Mac instead? See the <a href=\"https:\/\/www.xconvert.com\/blog\/how-to-compress-tiff-files-in-macos\">macOS TIFF guide<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Jump to a section<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"#what\">What \u201ccompress a TIFF\u201d actually means<\/a><\/li><li><a href=\"#windows-tools\">Why Windows Paint and Photos don\u2019t really help<\/a><\/li><li><a href=\"#methods\">The Windows methods that work<\/a><\/li><li><a href=\"#lzw-vs-zip\">LZW vs ZIP, and reducing resolution<\/a><\/li><li><a href=\"#tool\">Compress a TIFF on xconvert<\/a><\/li><li><a href=\"#faq\">FAQ<\/a><\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"what\">What \u201ccompress a TIFF\u201d actually means<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">TIFF (Tagged Image File Format) was created by Aldus in 1986 and has been maintained by Adobe since it acquired Aldus in 1994; the current <strong>TIFF 6.0 specification was finalized in June 1992<\/strong>. Crucially, TIFF is a <em>container<\/em> \u2014 it can hold image data compressed several different ways, which is why \u201ccompress a TIFF\u201d is really three different jobs.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Compression<\/th><th>Type<\/th><th>What it does<\/th><\/tr><\/thead><tbody><tr><td><strong>None<\/strong><\/td><td>Uncompressed<\/td><td>Largest possible file; every pixel stored raw<\/td><\/tr><tr><td><strong>LZW<\/strong><\/td><td>Lossless<\/td><td>No quality loss; ~50% smaller on an 8-bit photo<\/td><\/tr><tr><td><strong>ZIP \/ Deflate<\/strong><\/td><td>Lossless<\/td><td>Often beats LZW on photos and 16-bit images<\/td><\/tr><tr><td><strong>PackBits<\/strong><\/td><td>Lossless<\/td><td>Simple run-length encoding; baseline TIFF<\/td><\/tr><tr><td><strong>CCITT Group 4<\/strong><\/td><td>Lossless (bilevel)<\/td><td>Black-and-white scans only<\/td><\/tr><tr><td><strong>JPEG<\/strong><\/td><td>Lossy<\/td><td>Smallest TIFF, but discards image data permanently<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Two facts do most of the work here. <strong>LZW and ZIP are lossless<\/strong> \u2014 they reconstruct every pixel exactly, so there\u2019s no quality loss, but the savings are modest (commonly around 50% on an uncompressed 8-bit color photo, less on already-compressed or noisy images). <strong>JPEG-in-TIFF is lossy<\/strong> \u2014 much smaller, but it throws away the archival fidelity that made TIFF worth choosing. LZW is dictionary-based (Lempel\u2013Ziv\u2013Welch); it was added in TIFF Revision 5.0 and is classified as an <em>Extension<\/em> in the Adobe specification, though virtually every TIFF reader supports it. The old Unisys LZW patents expired in 2003\u20132004, so there\u2019s no longer any licensing concern with using it. (Sources: <a href=\"https:\/\/www.loc.gov\/preservation\/digital\/formats\/fdd\/fdd000022.shtml\">Library of Congress TIFF format description<\/a>, <a href=\"https:\/\/en.wikipedia.org\/wiki\/TIFF\">TIFF on Wikipedia<\/a>.)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you want a deeper look at how the lossless algorithm itself works, see <a href=\"https:\/\/www.xconvert.com\/blog\/what-is-lzw-compression-for-tiff\">What is LZW compression for TIFF<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"windows-tools\">Why Windows Paint and Photos don\u2019t really help<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">This is the honest part most \u201ccompress TIFF on Windows\u201d articles skip. The apps built into Windows give you almost no control over TIFF compression:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Microsoft Paint<\/strong> can open a TIFF and save it back as <code>.tiff<\/code>, but it does <strong>not<\/strong> expose a compression-method dialog \u2014 there\u2019s no LZW vs ZIP vs None choice the way Photoshop or IrfanView offer. Microsoft doesn\u2019t publicly document Paint\u2019s TIFF save behavior, so you can\u2019t reliably control whether (or how well) it compresses. Paint\u2019s <em>Resize<\/em> tool does shrink files \u2014 but only by changing the pixel dimensions, which lowers resolution.<\/li><li><strong>The Photos app<\/strong> is a viewer; it has no TIFF compression-method control either.<\/li><li><strong>Windows 11\u2019s newer \u201ccompress\u201d feature<\/strong> (in the Share UI \/ Photos) reduces size by <strong>lowering the JPEG encoding quality<\/strong> \u2014 it re-encodes to a smaller JPEG rather than producing a smaller TIFF. That\u2019s lossy, and the output isn\u2019t a TIFF anymore.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">So if your goal is a smaller <em>TIFF<\/em> \u2014 same format, lossless \u2014 you need a tool that actually lets you set the compression method. On Windows that means a third-party app (IrfanView and GIMP are free; Photoshop if you have it) or an online tool. The native apps are fine only when you\u2019re willing to (a) change the pixel dimensions, or (b) convert away from TIFF entirely.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"methods\">The Windows methods that work<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Here are the realistic paths, fastest first:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1. Online \u2014 set an exact compression method or target size.<\/strong> No install, and the only no-friction way to say \u201cmake this exactly 5 MB\u201d or apply lossless LZW\/ZIP to a TIFF. Covered step-by-step in the <a href=\"#tool\">tool section below<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. IrfanView (free) \u2014 keep TIFF, pick the compressor.<\/strong> Open the file, choose <strong>File \u2192 Save As<\/strong>, select <strong>TIFF<\/strong> as the type, and IrfanView shows a TIFF save dialog where you can pick <strong>LZW<\/strong>, <strong>ZIP\/Deflate<\/strong>, <strong>PackBits<\/strong>, <strong>JPEG<\/strong>, or <strong>None<\/strong>. This is the closest free desktop equivalent to Photoshop\u2019s \u201cTIFF Options\u201d box and the most direct way to re-save a TIFF losslessly on Windows.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3. GIMP (free) \u2014 export with a compression choice.<\/strong> Open the TIFF, choose <strong>File \u2192 Export As<\/strong>, keep the <code>.tif<\/code>\/<code>.tiff<\/code> extension, and in the export dialog pick a <strong>Compression<\/strong> option (None, LZW, PackBits, or Deflate\/ZIP). Lossless by default unless you choose JPEG.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>4. Paint (built in) \u2014 only if you accept lower resolution.<\/strong> Open the TIFF in Paint, use <strong>Resize<\/strong> (Percentage or Pixels) to reduce the dimensions, and save. This genuinely shrinks the file, but it\u2019s <em>downscaling<\/em>, not lossless compression \u2014 you\u2019re permanently reducing detail. Use it only when the image is larger on screen than you need.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>5. Convert to JPG or PDF \u2014 for the biggest cut.<\/strong> If you don\u2019t need to keep TIFF, converting a photographic scan to JPG, or a multi-page document scan to PDF, almost always beats squeezing the TIFF itself.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"lzw-vs-zip\">LZW vs ZIP, and reducing resolution<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Once you can choose a compression method, two quick rules help:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>8-bit images (most color and grayscale scans):<\/strong> <strong>LZW<\/strong> and <strong>ZIP<\/strong> both work; ZIP often edges out LZW on photographic content.<\/li><li><strong>16-bit images (high-bit-depth scans, some RAW-derived TIFFs):<\/strong> prefer <strong>ZIP\/Deflate<\/strong>. LZW can occasionally make a 16-bit file <em>larger<\/em> than uncompressed, because its dictionary model doesn\u2019t suit high-bit-depth data well.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">But the honest ceiling on lossless compression is low. If a 600 DPI, 24-bit scan is still too big after LZW\/ZIP, no lossless method will rescue it \u2014 <strong>resolution and bit depth dominate TIFF size<\/strong>, not the format. The high-impact moves are:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Lower the resolution.<\/strong> A 600 DPI archival scan is overkill for on-screen viewing or email; 200\u2013300 DPI is plenty for most sharing.<\/li><li><strong>Drop color depth where appropriate.<\/strong> A black-and-white document doesn\u2019t need 24-bit color \u2014 converting to grayscale or bilevel (with <strong>CCITT Group 4<\/strong> for pure black-and-white) shrinks it dramatically and stays lossless.<\/li><li><strong>Switch formats for distribution.<\/strong> Keep the lossless TIFF master in your archive; share a JPG or PDF working copy.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">For the Mac-equivalent workflow (Preview and Automator do this without third-party apps), see the <a href=\"https:\/\/www.xconvert.com\/blog\/how-to-compress-tiff-files-in-macos\">macOS TIFF compression guide<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"tool\">Compress a TIFF on xconvert<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">When you want to pick the compression method or hit an exact target size without installing anything, the <a href=\"https:\/\/www.xconvert.com\/compress-tiff\">xconvert TIFF compressor<\/a> does both in the browser:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"1250\" src=\"https:\/\/www.xconvert.com\/blog\/wp-content\/uploads\/2026\/06\/step-01-control-57.png\" alt=\"Set Compression Type to LZW \u2014 the lossless lever Windows Paint can't reach\" class=\"wp-image-1317\" srcset=\"https:\/\/www.xconvert.com\/blog\/wp-content\/uploads\/2026\/06\/step-01-control-57.png 1600w, https:\/\/www.xconvert.com\/blog\/wp-content\/uploads\/2026\/06\/step-01-control-57-300x234.png 300w, https:\/\/www.xconvert.com\/blog\/wp-content\/uploads\/2026\/06\/step-01-control-57-1024x800.png 1024w, https:\/\/www.xconvert.com\/blog\/wp-content\/uploads\/2026\/06\/step-01-control-57-768x600.png 768w, https:\/\/www.xconvert.com\/blog\/wp-content\/uploads\/2026\/06\/step-01-control-57-1536x1200.png 1536w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n\n\n\n<ol class=\"wp-block-list\"><li>Open <a href=\"https:\/\/www.xconvert.com\/compress-tiff\">xconvert.com\/compress-tiff<\/a> and click <strong>Upload<\/strong> to add your file (from your computer, Google Drive, or Dropbox).<\/li><li>Open <strong>Advanced Options<\/strong> (the gear icon).<\/li><li>Under <strong>Image Compression<\/strong>, choose how to control size: <strong>Target file size (%)<\/strong>, <strong>Specific file size<\/strong> (type an exact KB\/MB), or <strong>Image Quality (%)<\/strong>.<\/li><li>Set the <strong>Compression Type<\/strong> \u2014 <strong>JPEG<\/strong> (default, lossy, smallest) or a lossless option: <strong>LZW<\/strong>, <strong>Deflate<\/strong> (ZIP), <strong>PackBits<\/strong>, <strong>CCITT Fax 4<\/strong> (for black-and-white), plus <strong>WebP<\/strong>, <strong>JP2K<\/strong>, and <strong>ZSTD<\/strong>.<\/li><li>Pick the output <strong>File extension<\/strong> (<strong>Same as source<\/strong>, <strong>TIFF<\/strong>, or <strong>TIF<\/strong> \u2014 both extensions are the same format).<\/li><li>Click <strong>Compress<\/strong>, then download.<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Your file uploads over an encrypted connection, is processed on our servers, and is <strong>deleted automatically a few hours later<\/strong> \u2014 nothing is shared or kept. For shrinking across mixed image formats, the same engine powers the <a href=\"https:\/\/www.xconvert.com\/image-compressor\">image compressor<\/a>; for the deeper \u201chow LZW works\u201d explainer, see <a href=\"https:\/\/www.xconvert.com\/blog\/what-is-lzw-compression-for-tiff\">What is LZW compression for TIFF<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"faq\">FAQ<\/h2>\n\n\n\n<h5 class=\"wp-block-heading\">How do I compress a TIFF file on Windows without losing quality?<\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">Re-save it with <strong>LZW<\/strong> or <strong>ZIP\/Deflate<\/strong> lossless compression \u2014 both reconstruct every pixel exactly. <strong>Windows Paint and Photos can\u2019t choose a TIFF compression method<\/strong>, so use IrfanView or GIMP (both free), Photoshop, or an <a href=\"https:\/\/www.xconvert.com\/compress-tiff\">online TIFF compressor<\/a> that lets you pick the method. Expect modest savings \u2014 around 50% on an uncompressed 8-bit photo, less on noisy or already-compressed images.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">Can Microsoft Paint compress a TIFF?<\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">Not in the way most people mean. <strong>Paint has no TIFF compression-method dialog<\/strong> (no LZW\/ZIP\/None choice), so you can\u2019t control lossless compression from it. Paint\u2019s <strong>Resize<\/strong> tool will make the file smaller, but only by reducing the pixel dimensions \u2014 that lowers resolution and permanently discards detail. For real lossless TIFF compression, use IrfanView, GIMP, or an online tool.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">Why is my TIFF still huge after compressing it?<\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">Because <strong>resolution and bit depth, not the format, drive TIFF size<\/strong>. A 600 DPI, 24-bit page holds tens of millions of pixels, and lossless compression (LZW\/ZIP) can only trim so much. To actually shrink it, lower the resolution (200\u2013300 DPI is fine for sharing), convert color to grayscale where appropriate, or switch to JPG\/PDF for distribution.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">Is LZW or ZIP better for TIFF compression?<\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">For most <strong>8-bit<\/strong> images, both are lossless and similar; ZIP often wins slightly on photos. For <strong>16-bit<\/strong> images, prefer <strong>ZIP\/Deflate<\/strong> \u2014 LZW can occasionally produce a <em>larger<\/em> file than uncompressed on high-bit-depth data. Only <strong>JPEG<\/strong> compression inside a TIFF is lossy.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">Does the Windows 11 \u201ccompress\u201d feature work on TIFF?<\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">Windows 11\u2019s newer image-compression option (in the Share UI \/ Photos) reduces size by <strong>lowering the JPEG encoding quality<\/strong> \u2014 it re-encodes to a smaller JPEG rather than producing a smaller TIFF, so the result is lossy and no longer a TIFF. If you need to keep the TIFF format and stay lossless, use a tool that exposes LZW\/ZIP compression instead.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">Is .tif the same as .tiff?<\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">Yes. <code>.tif<\/code> and <code>.tiff<\/code> are the same Tagged Image File Format; the only difference is extension length. <code>.tif<\/code> survives from older DOS\/Windows systems that limited extensions to three characters. Every modern app reads both, and tools like xconvert let you output either.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Sources<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Last verified 2026-06-25.<\/em><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/www.loc.gov\/preservation\/digital\/formats\/fdd\/fdd000022.shtml\">Library of Congress \u2014 TIFF, Revision 6.0 format description<\/a> \u2014 baseline vs. extension compression, LZW\/ZIP\/CCITT\/JPEG behavior, history.<\/li><li><a href=\"https:\/\/en.wikipedia.org\/wiki\/TIFF\">TIFF (Wikipedia)<\/a> \u2014 Aldus origin (1986), Adobe maintenance, TIFF 6.0 (June 1992), LZW as a lossless dictionary-based Extension, Unisys patent expiry (2003\u20132004), CCITT Group 4 bilevel-only, JPEG-in-TIFF lossy.<\/li><li><a href=\"https:\/\/darkroomphotos.com\/tiff-image-compression\/\">Darkroom Photos \u2014 TIFF compression: ZIP vs LZW<\/a> \u2014 why ZIP is preferred for 16-bit TIFFs and LZW can enlarge them.<\/li><li><a href=\"https:\/\/www.windowslatest.com\/2025\/06\/09\/windows-11-now-lets-you-reduce-image-size-without-resizing-using-paint-or-photos-app\/\">Windows Latest \u2014 Windows 11 image compression in Paint\/Photos<\/a> \u2014 the Windows 11 compress feature works by lowering JPEG encoding quality.<\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Compress a TIFF on Windows without losing quality. Why Paint and Photos can&#8217;t, plus LZW\/ZIP lossless methods and exact target sizes.<\/p>\n","protected":false},"author":3,"featured_media":1319,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,14],"tags":[],"class_list":["post-1009","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-how-to-guides","category-tools"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Compress a TIFF File on Windows (Without Quality Loss)<\/title>\n<meta name=\"description\" content=\"Compress a TIFF on Windows without losing quality. 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