# Mass Image Compressor > by Cognirush Labs LLP ## Posts - [Mass Image Compressor for macOS v2.5](https://mic.cognirush.com/mass-image-compressor-for-macos-v2-5/): This is release note of v2.5 of Mass Image Compressor for v2.5. This release makes the app easier to follow from start to finish, and adds lossy compression for PNG files. Choosing where files are saved is now Step 2 Picking your output location and saving options used to live in the sidebar, where it was easy to miss. It is now a proper second step of its own: The output screen now shows everything about saving in one place: the destination folder, “Keep in same folder”, “Replace all files”, “Skip files that are already compressed”, and the filename options. […] - [Free Online Mass Image Compressor - in Making](https://mic.cognirush.com/free-online-mass-image-compressor-in-making/): We are working on an online version of Mass Image Compressor that will be powerful and privacy friendly. This article announces our plan. But, the browser versions always come with real limits. We also want to set your expectations clearly in this post. Here’s What to Expect For more than a decade and a half, Mass Image Compressor has lived where serious image work happens: on your desktop. Thousands of you use our Windows and Mac apps to compress entire folders, convert formats in bulk, and shave gigabytes off photo libraries without breaking a sweat. Today we’re announcing that Mass […] - [Why Mass Image Compressor is the Best WebP Converter](https://mic.cognirush.com/why-mass-image-compressor-is-the-best-webp-converter/): And How It Auto Selects Lossy vs Lossless If you’ve ever tried converting images to WebP, you’ve probably faced this question: Should I use lossy or lossless compression? Most tools make you decide.Mass Image Compressor doesn’t. Starting with: Mass Image Compressor automatically chooses the best option for you. And that’s a big deal. What Makes It Different? Most WebP converters work like this: But here is the problem: Sometimes, lossless WebP can actually produce a smaller file than lossy depending on the image. Traditional tools completely miss this. Auto Select Lossy vs Lossless (Smart Compression) Mass Image Compressor introduces a […] - [PNG Compression with Mass Image Compressor](https://mic.cognirush.com/png-compression-with-mass-image-compressor/): In Short: Mass Image Compressor keeps PNGs safe by default. You will usually see a noticeable size drop with no visible quality change even if you have selected “Allow Quality Loss in PNG” option in UI. We do not let PNG quality drop lesser than 90%. When people say “Compress PNG image”, they often mean two very different techniques: Mass Image Compressor applies both ideas but internationally defaults (and restricts) to safer path. Purpose of this post is to decipher what Mass Image Compressor does to PNGs and why! The low-hanging fruit: Lossless Compression Oxipng is a lossless PNG/APNG optimizer. […] - [Mass Image Compressor vs IrfanView (Windows OS)](https://mic.cognirush.com/mass-image-compressor-vs-irfanview-windows-os/): I usually don’t write about other tools comparable or alternative to Mass Image Compressor as there are ample of articles doing the same. Lately I have noticed that many users compare Mass Image Compressor and IrfanView as if they are interchangeable alternative. Purpose of this post is to clear that up by outlining the real differences between the two. We will answer questions that’s most commonly asked when comparing both software. Short Version Choose Mass Image Compressor if you want: bulk compress, optimize, resize, watermark, rename with minimal clicks, high quality compression (internally uses ImageMagick and other best-in-the-class libs), “compress […] - [Mass Image Compressor 2.4 on macOS](https://mic.cognirush.com/mass-image-compressor-2-4-on-macos/): Mass Image Compressor 2.4 is out for our macOS users. Faster, cleaner UI tuned for macOS 26, plus a new Skip if compressed switch to speed up repeat runs on large libraries without overwriting existing outputs. You need at least one kind of subscription (Standard, Pro, or Lifetime) to access this feature. What’s new in 2.4 “Skip if compressed” — how it actually works What Mass Image Compressor does What it doesn’t do Great use-cases What to expect Happy compressing! - [Mass Image Compressor Crash Report](https://mic.cognirush.com/mass-image-compressor-crash-report/): TLDR; We have received report of rare crashes on Windows version of Mass Image Compressor. Our users are encouraged to report any crash that happens on their Windows. Use contact form, specify Windows/Mac, and info about which action caused the crash and any additional information. No software is perfect. Mass Image Compressor is no exception. We sometime get crash report from Mac App Store and Windows Store. While our macOS version has reported zero crash in last 90 days from Mac App Store, case is different on our Microsoft Store version. We see a crash about once in a week […] - [Convert Photo to ANY Size](https://mic.cognirush.com/convert-photo-to-any-size/): You will see many online compressors claiming to convert your images to 20KB / 40KB / 200KB/ 1MB. Or they look the image within specific dimension (like 600×400). This often happens when you are trying to upload an image to a website that limits you from uploading larger image (government websites are notorious for this requirement). These are often personal documents (such as an ID card or driving license) that contain sensitive information. I wouldn’t trust online converters for handling these. If you value your privacy, you’ll likely want an offline converter that can achieve the same results. Mass Image […] - [Mass Image Compressor Featured on Fixyfier.com](https://mic.cognirush.com/mass-image-compressor-featured-on-fixyfier-com/): Good news! Mass Image Compressor has been featured under the “Image Tools” section on Fixyfier.com. Fixyfier is a lightweight utility that helps users keep their PCs running smooth by offering easy-to-use troubleshooting and optimization tools. Their team curates a list of useful software and it’s nice to see Mass Image Compressor recognized there. It’s a small but solid validation that the app is actually making life simpler for people who just want quick, reliable image compression without too many settings. Thanks to the Fixyfier team – and to our users who continue to spread the word! - [The Photographer’s Guide to Perfectly Optimize Images on Wordpress](https://mic.cognirush.com/photograph-upload-guide-for-wordpress-website/): Did you get an email warning that you’re nearing your storage limit? Is your website loading slower than usual? If you’re a photographer managing your own WordPress site, you’re not alone as these are common issues caused by large, unoptimized images. Stunning photos can make or break a site’s appeal. Yet even the most breathtaking image won’t help your portfolio if it slows your pages to a crawl. In this guide you’ll learn how to deliver high-quality images on WordPress without the bloat – keeping every shot sharp, your fans happy, and your workflow smooth. This article will let you […] - [V2.3 Release on macOS](https://mic.cognirush.com/v2-3-release-on-macos/): The latest version of Mass Image Compressor on macOS is 2.3. We will discuss improvements/changes in the Mass Image Compressor in very brief here and will give detailed analysis in separate article. The release of June 2025 have following changes/improvements: 1. WebP Compression Improvements When Mass Image Compressor reduces image size, we have to optimize Balancing file size reduction, image quality, and compression speed is a delicate art. MIC prioritizes minimizing file size while maintaining the highest possible quality. At the same time, it carefully considers trade-offs to avoid significantly increasing compression time for marginal improvements, ensuring efficient and practical […] - [How to Install Mass Image Compressor via Winget](https://mic.cognirush.com/install-via-winget/): ☕ No tracking, no ads, no locked features. This is free and open-source project. Consider supporting the creator with 💛 one-time purchase 💛 and enjoy seamless Microsoft Store updates. QUICK READ Mass Image Compressor (version 4.x for Windows OS) is now distributed through Winget, apart from our traditional distribution channels like SourceForge/GitHub/Microsoft Store, enabling streamlined deployment and upgrades, especially for IT administrators and power users. Here is how you can install Mass Image Compressor on your Windows 10+ and Windows Server 2019+ Step 1: Update Winget Source Ensure Winget has the latest package metadata as Cognirush.MassImageCompressor package is added recently […] - [MSVCP140.dll Missing Error](https://mic.cognirush.com/msvcp140-dll-missing-error/): While using Mass Image Compressor, if you are getting this error: “The code execution cannot proceed because VCRUNTIME140.dll was not found. Reinstalling the program may fix this problem.” All you need to do is, install Microsoft Visual C++ 2015 (or higher) Redistributable. You can download one of those from here and install it on your Windows machine: x64: https://aka.ms/vs/17/release/vc_redist.x64.exe - [Public Feedback (Write Comment)](https://mic.cognirush.com/mass-image-compressor-for-windows/): Modern Mass Image Compressor for Windows 10,11 We have just release V4 of Mass Image Compressor that is rewritten from scratch. Apart from the same level of reliability and compression ratio, new version of Mass Image Compressor provides ability to: To simply put, there is no other batch image compressor that comes close to Mass Image Compressor 4 in terms of reliability, speed, feature and quality with this upgrade. And, you can use it for free 😊 and supports us with your donations. Download Download from SourceForge.net for free: https://sourceforge.net/projects/icompress/ The version of SourceForge is unsigned – so your Windows […] - [Guide to Convert Camera RAW Images to JPEG](https://mic.cognirush.com/guide-to-convert-camera-raw-images-to-jpeg/): The Right Way For Photographers Photography enthusiasts and professionals alike shoot in RAW format to preserve the best image quality. However, RAW files are large and not always convenient for sharing, archiving, or displaying online. If you are looking for a simple way to convert ARW to JPEG or convert NEF to JPEG, this guide will walk you through different use case and if bulk image compressor like Mass Image Compressor can make your job easier – mainly our Mac version at present while Windows version is going through overhaul. Why Convert RAW Format (such as ARW, NEF, CR2, CR3, ORF, RW2, RAF, […] - [Free Image Size Reducer - Mass Image Compressor](https://mic.cognirush.com/image-size-reducer-mass-image-compressor/): Download Links You can download Mass Image Compressor for free (no spyware, data tracking) for, ⊞ Windows: Installer, or Portable Version  Mac: Mac App Store About Mass Image Compressor Are you looking for a free image sizer reducer that is simple to use and works on batch of images? Worried about privacy and wants to reduce the size of photos on your laptop – locally? Whether you use Windows or Mac, Mass Image Compressor is the perfect solution for you. It is a fast and easy-to-use software that works offline and gives excellent results without any cost. Here’s why […] - [Optimizing Your Website For All Screens](https://mic.cognirush.com/optimizing-your-website-for-all-screens/): How to Create 1x, 2x, and 3x Images with Mass Image Compressor Have you seen your website on iPad? Does the images look blurry? Web developers often encounter the challenge of making images look sharp on screens with varying resolutions. This is especially important in today’s world of retina displays and high-DPI devices. Here’s where 1x, 2x, and 3x images come into play. If you are interested to know how images work on high-DPI devices, checkout Apple’s developer guide about Images on Apple devices. When you serve these images appropriately, devices can select the best resolution to match their screen capabilities. For example, a […] - [It's time for WebP](https://mic.cognirush.com/adopting-webp-format-for-web-performance/): And Ditch JPEG/PNG/GIF for God’s Sake The World of Web with JPEG, PNG & GIF For decades, JPEG and PNG have been the default choices for web images. JPEG dominates due to its lossy compression suited for photos, while PNG provides lossless compression, ideal for graphics with transparency. While GIFs have held strong for animations, PNG’s animated counterpart (APNG) has struggled to gain similar popularity. GIFs’ wide compatibility continues to make them a staple for basic animations. And WebP too Exists Developed by Google, WebP is a modern image format offering lossy and lossless compression. Its goal is to reduce […] - [Video Compression in Mass Image Compressor V2.0 (Mac)](https://mic.cognirush.com/video-compression-in-mass-image-compressor-v2-0-mac/): I’m thrilled to share an exciting update for Mass Image Compressor (MIC): it now supports video compression! You can drag and drop your MOV and MP4 videos—whether they’re encoded in H.264 or H.265 (i.e. HEVC) —just as easily as you’ve done with images. Output is always MP4 container with H.265 encoding. When I set out to add video compression, I had a ton of options. But I stuck to MIC’s philosophy: keep it simple and effective. Too many configuration options often confuse even seasoned professionals, so I wanted a feature that’s easy for everyone – including professionals, as they are also have human like desires for […] - [Optimizing Images of Your Website](https://mic.cognirush.com/articles/): Images are one of the largest contributors to website in term of the byte size and so the load time, making it a crucial focus for optimization. Slow-loading websites can negatively impact user experience and, lower ranking on SEO and conversion rates. So, there is general consensus that we should always optimize images of our website. We will explore practical strategies to ensure your website loads quickly and still look crisp. Purpose article will give food for thought to newbies in website optimization. There are always two ways, ‘do it yourself’ (your website source) or ‘let someone else do it’ […] - [Losing Geotags or GPS Coordinates of Image](https://mic.cognirush.com/losing-geotags-or-gps-coordinates-of-image/): This article applies to older version of Mass Image Compressor which works on Windows 7 and above. But if you are using Windows 10 or above, we recommend to use latest version (it has better features, modern UI and better at compression). MIC for Windows has updates. New version is 3.3.2. This update is to solve issue where you may face issue in copying EXIF metadata from original image to compressed image. Geotagging issue with Windows 11 We have seen issues with Windows 11 (24H2) that when an image is edited, the geo-location data is removed. I have noticed this […] - [Keeping Backup and Role of MIC...](https://mic.cognirush.com/keeping-backup-and-role-of-mic/): We often realize the value of our photos only when we almost lose them. I learned this lesson the hard way after formatting the wrong partition and losing irreplaceable memories. That experience taught me the importance of organizing and backing up my photos in a reliable, accessible way. Most of us accumulate photos fast – they’re memories, snapshots of moments we don’t want to forget. We may lean on cloud storage to keep them safe, but without structure, finding a specific image can be like searching for a needle in a haystack. For me, Mass Image Compressor (MIC) has been […] - [Feedback macOS](https://mic.cognirush.com/feedback-macos/): Feedback only for macOS Version of Mass Image Compressor. For Windows Feedback go here. Post all your public comments here about the Mass Image Compressor, but only for macOS version!  NOTE: This comment page is ONLY for macOS version of Mass Image Compressor Mass Image Compressor for Mac and Windows are both created by us, but each version is tailored to its platform. They share a core set of features focused on bulk image compression, but the UI and some specifics are designed differently for Mac and Windows. That’s why we have separate feedback pages, to better address the unique […] - [Feedback (For MIC on Windows 7, 8)](https://mic.cognirush.com/feedback-windows/): This is feedback page for old version of Mass Image Compressor. For feedback on latest version for Windows 10 and 11 – go here. For feedback on macOS – go here. Post all your public comments here about the Mass Image Compressor, but only for WINDOWS 7, 8 version! If you want to give feedback on Mass Image Compressor for macOS go here. If you are on Windows 10 or higher, you are at wrong place, go to MIC 4 feedback. Windows 7 or Windows 8 : Download Windows 10 or 11 : Download macOS: Download Unable to retain Geolocation/geotagging […] ## Pages - [All FAQs](https://mic.cognirush.com/all-faqs/): Couldn’t find your question in FAQ? Send us your query. - [Latest Post](https://mic.cognirush.com/blog/) - [Terms and Condition for Windows Version](https://mic.cognirush.com/terms-and-condition-for-windows-version/): Terms and Conditions For Windows version of Mass Image Compressor Software Version: 4.0 Effective Date:  March 23, 2025 (UTC) Owner: Cognirush Labs LLP Support Contact: support@cognirush.com Website: https://mic.cognirush.com 1. Introduction Welcome to Mass Image Compressor (“the App” or “the Application”), an application owned and operated by Cognirush Labs LLP (“we,” “us,” or “our”). These Terms and Conditions (“Terms”) govern your use of the App and the Source Code, including any related services, content, or features we provide. By downloading, installing, or using the App and the Source Code, you agree to be bound by these Terms. If you do not agree to these Terms, you must […] - [Privacy Policy MIC Windows OS](https://mic.cognirush.com/privacy-policy-mic-windows-os/): Privacy Policy for Mass Image Compressor for Windows Effective Date: March 26, 2025 IST Document Version: 4.0 Applicable for Mass Image Compressor (Windows) software version 4.0, 4.1 Privacy Summary Mass Image Compressor values your privacy. We don’t collect or transmit any data to servers; all data is stored locally on your device to provide a seamless experience. This data includes your last-used settings, compression logs, we adhere to appropriate data security practices to protect your information. We do not share your data with third parties. No payments are managed inside application, and we adhere to strict data security practices to […] - [Cancellation and Refund Policy - Mass Image Compressor for Windows](https://mic.cognirush.com/cancellation-and-refund-policy-mass-image-compressor-for-windows/): Cancellation and Refund Policy Mass Image Compressor for Windows Last Updated: January 5, 2025 Thank you for supporting Mass Image Compressor (Windows) through your generous donations. We appreciate your commitment to helping us maintain and improve our free and open-source application. 1. Donations Are Final All donations made to Mass Image Compressor are non-refundable. By making a donation, you acknowledge and agree that you will not receive a refund for your contribution under any circumstances. 2. No Cancellation of Donations Once a donation has been processed, it cannot be canceled or reversed. Please ensure that you wish to support Mass Image […] - [Resources for Media](https://mic.cognirush.com/resources-for-media/): Media Resources Media can use below screenshot and app icon in their website for review, tutorial, blog or news article. You may convert the image to different format (such as JPEG/PNG/WebP). You may edit the images under fair usage rights but it should not misrepresent the software of its functionality. Application Logos 512×512 256×256 128×128 64×64 32×32 Mac Application Screenshots Gallery View of Selected Images/Folders Compression Preview View Output Selection View Compression Completion Windows Application Screenshots For Windows 7 and Windows 8 For Windows 10 and above - [Help & Support](https://mic.cognirush.com/docs/) - [Help](https://mic.cognirush.com/knowledge-base/) - [Cookie Policy (EU)](https://mic.cognirush.com/cookie-policy-eu/): Cookie Policy (EU) - [Privacy Policy MIC macOS](https://mic.cognirush.com/privacy-policy-mic-macos/): Privacy Policy for Mass Image Compressor for macOS Effective Date: February 04, 2025 IST Document Version: 1.1 Applicable for Mass Image Compressor (macOS) software version 1.x, 2.x Privacy Summary Mass Image Compressor values your privacy. We don’t collect or transmit any data to servers; all data is stored locally on your device to provide a seamless experience. This data includes your compression counts, license information, and last-used settings. You have full control over this data and can clear it anytime via the ‘Clear Data and Close’ option. We do not share your data with third parties. Payments are managed securely […] - [Support](https://mic.cognirush.com/support/): Support Select Your Version Which version of Mass Image Compressor? - [macOS](https://mic.cognirush.com/macos/): Mass Image Compressor for macOS Why MIC? Quick Help Feedback Public Looking for Windows Version? Contact Us Compress, Convert, Resize Welcome to Mass Image Compressor (MIC), your go-to tool for quickly compressing and managing large batches of images with ease. With an easy-to-use interface, it’s as simple as point and shoot for folders. Enjoy unlimited free usage. Subscription helps you add custom watermark, workflow speed-up, apply file selection filters, resize for prints & access advanced metadata copy option. Why MIC? Useful Articles Help for creating 1x/2x/3x Image For Your WebSite Quick Links Privacy Policy of the App Terms & Conditions […] - [Terms and Condition for macOS Version](https://mic.cognirush.com/terms-and-condition-for-macos-version/):   Terms and Conditions For macOS version of Mass Image Compressor Software Version: 2.4+ Effective Date:  October 09, 2025 (UTC) Owner: Cognirush Labs LLP Support Contact: support@cognirush.com Website: https://mic.cognirush.com 1. Introduction Welcome to Mass Image Compressor (“the App”), an application owned and operated by Cognirush Labs LLP (“we,” “us,” or “our”). These Terms and Conditions (“Terms”) govern your use of the App, including any related services, content, or features we provide. By downloading, installing, or using the App, you agree to be bound by these Terms. If you do not agree to these Terms, you must immediately discontinue use of the App. This agreement is legally […] - [Terms and Conditions](https://mic.cognirush.com/terms-and-conditions/): Terms and Conditions Applicable Terms and Conditions of use of our offerings. Website Terms and Conditions for using this website Mass Image Compressor for Windows Version 3.x Terms and Conditions for using Mass Image Compressor for Windows: The software is License under GNU General Public License version 2.0 (GPLv2). Read it here: https://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html#SEC1 Source: https://sourceforge.net/p/icompress/code/HEAD/tree/ Version 4.x Software license: AGPL 3.0 with notice. Source code: https://github.com/Cognirush-Labs-LLP/icompress-win/ T&C of use: https://mic.cognirush.com/terms-and-condition-for-windows-version/ Privacy Policy: https://mic.cognirush.com/privacy-policy-mic-windows-os/ Mass Image Compressor for macOS Software license: Proprietary, Freemium. Terms and Conditions for using Mass Image Compressor for macOS Privacy Policy: https://mic.cognirush.com/privacy-policy-mic-macos/ - [Terms and Conditions of website](https://mic.cognirush.com/terms-and-conditions-of-website/): Terms & Conditions of Use Acceptance of Terms By accessing or using the website located at mic.cognirush.com (the “Website”), you agree to be bound by these Terms and Conditions. If you do not agree to these terms, you may not use the Website. Changes to the Website Cognirush Labs LLP (“Cognirush Labs,” “we,” “us,” or “our”) reserves the right to modify or discontinue the Website, its content, or services at any time without notice. User-Generated Content Content submitted by users on the Website represents the views of the users and does not necessarily reflect the opinions of Cognirush Labs LLP. […] - [Contact Us](https://mic.cognirush.com/contact-us/): Contact Us Checkout our Custom GPT chatbot for Windows and Mac version to get quick answer. Got an issue, feedback, or something else to share? We’re here to listen and assist! We’ll get back to you via email as soon as possible. - [Download](https://mic.cognirush.com/download/): Download Mass Image Compressor Windows Paid signed version from Microsoft Store One-time purchase from the Store will help project financially. Please consider this option. Free Unsigned version from Know more about MIC on Windows You can also get Windows version from Winget. Mac From Mac App Store Core-features are free without any limits. Advanced features like Watermark, filters can be purchased. Know more about MIC on macOS - [Windows](https://mic.cognirush.com/windows/): Mass Image Compressor for Windows OS Download Options Help Center/Docs (self) Feedback (public) Contact Us (human) Release Notes Looking for Mac Version? ☕ No tracking, no ads, no locked features. This is free and open-source project. Consider supporting the creator with 💛 one-time purchase 💛 and enjoy seamless Microsoft Store updates. Compress, Convert, Resize Mass Image Compressor is a professional grade open source software to batch compress, convert, resize and watermark images/photos. People love mass image compressor as it can take image files as well as entire folder as an input and you can compress all images within the selected folders (and […] - [Privacy Policy](https://mic.cognirush.com/privacy-policy/): Who we are Our website address is: https://mic.cognirush.com. This privacy policy is related to this website. If you want to see privacy policy of Mass Image Compressor software, go to application’s own dedicated privacy policy page for Windows and Mac. Comments When visitors leave comments on the site we collect the data shown in the comments form, and also the visitor’s IP address and browser user agent string to help spam detection. An anonymized string created from your email address (also called a hash) may be provided to the Gravatar service to see if you are using it. The Gravatar […] ## Optional - [Agent (MCP protocol)](websites-agents.hostinger.com/mic.cognirush.com/mcp) [comment]: # (Generated by Hostinger Tools Plugin)