The latest articles on DEV Community by Abhinandan Basotra (@abhinandan_basotra_1c0d50). https://dev.to/abhinandan_basotra_1c0d50 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3783439%2Ffba69d59-18e6-4cbc-9f96-04d51d93fa2f.jpg https://dev.to/abhinandan_basotra_1c0d50 en Abhinandan Basotra Fri, 02 Oct 2026 11:02:27 +0000 https://dev.to/abhinandan_basotra_1c0d50/how-to-create-a-contact-sheet-online-for-free-no-photoshop-required-4lpi https://dev.to/abhinandan_basotra_1c0d50/how-to-create-a-contact-sheet-online-for-free-no-photoshop-required-4lpi <div class="highlight js-code-highlight"> <pre class="highlight plaintext"><code># How Contact Sheets Help You Review Large Image Collections When working with photography, design assets, screenshots, video frames, or other visual files, reviewing a large collection of images can become surprisingly time-consuming. Opening hundreds of files individually makes it difficult to compare images and get an overview of the entire collection. A contact sheet solves this by placing multiple images into a single organized grid. This article explains what contact sheets are, how they are useful, and how I approached building a browser-based contact sheet generator. ## What Is a Contact Sheet? A contact sheet is a single image or page containing multiple smaller images arranged in a grid. Instead of opening dozens of images individually, you can create one visual overview of the entire collection. For example, imagine a photographer has 50 photographs from a photoshoot. Rather than reviewing each file separately, the photographs can be displayed together in a grid. This makes it easier to scan the collection and compare similar images. Contact sheets are useful for: - Photography - Graphic design - Video editing - Digital art - Product design - UI/UX work - Image asset management  ## Why Are Contact Sheets Useful? Suppose you have 100 photographs from a single photoshoot. Opening every photograph separately can make comparison unnecessarily slow. A contact sheet gives you a visual overview of the collection. ### 1. Review Images Quickly Multiple photographs can be viewed at the same time instead of opening each file individually. This is particularly useful when selecting images from a large photoshoot. ### 2. Compare Similar Images When several photographs are placed next to each other, differences in composition, lighting, sharpness, expressions, and framing become easier to identify. ### 3. Share a Collection Instead of sending dozens of individual images, you can provide a single visual overview. For example, a photographer can create a contact sheet after a photoshoot and use it during the image-selection process. ### 4. Create a Visual Index Contact sheets can also act as visual indexes for large collections of assets. They can be useful for: - Product images - Screenshots - Illustrations - Video frames - Design variations - Stock images ## How Does a Contact Sheet Generator Work? At a basic level, generating a contact sheet involves several steps: 1. Load the source images. 2. Read their dimensions. 3. Generate thumbnails. 4. Place the thumbnails into a grid. 5. Add optional labels or spacing. 6. Render the final layout. 7. Export the result as an image or document. For a browser-based implementation, many of these operations can happen directly on the client. That means the browser can handle image selection, preview generation, layout, rendering, and export without requiring a traditional desktop application. ## Building a Browser-Based Contact Sheet Generator While exploring this workflow, I built **Contact Sheets Maker**, a browser-based tool for creating contact sheets from multiple images. You can try it here: 👉 **[Open Contact Sheets Maker](https://www.contactsheetsmaker.com/)** The interesting part wasn't simply creating a grid. The more useful engineering problems were things like: - Handling multiple image files - Generating previews efficiently - Maintaining image proportions - Calculating grid dimensions - Supporting different column counts - Rendering the final composition - Exporting the generated contact sheet - Keeping the interaction simple The basic flow looks like this: </code></pre> </div> <p><br> text<br> Select Images<br> ↓<br> Read Image Files<br> ↓<br> Generate Previews<br> ↓<br> Calculate Grid<br> ↓<br> Render Layout<br> ↓<br> Export Contact Sheet</p> <div class="highlight js-code-highlight"> <pre class="highlight plaintext"><code> </code></pre> </div> productivity tools tutorial