Slit-Scan Editor

Apply slit-scan motion blur effects to your images with precise control over intensity, streak length, and multi-strip positioning.

Transform your photos with slit-scan motion blur effects. Slit-Scan Editor is a Chrome extension that brings the classic slit-scan photography technique to your browser and lets you create dynamic motion streaks to static images. Perfect for photography, design work, and creative projects. Important: After installing go to ⋮ (menu) → Extensions → Manage Extensions. Find Slit-Scan Editor in the list. Click Details, then toggle Pin to toolbar. Global Slit-Scan Effect: Enable Slit-Scan Effect toggle for full-width effect Base Position: Set the horizontal scan line (0-100%) Intensity: Control effect strength (0-100%) Streak Length: Adjust vertical blur distance (0-100%) Vertical Strip Stack (Up to 7 Strips): Enable the Vertical Strip Stack toggle to activate strips Press + to add strips, × to clear all Press 1-7 keys to quickly select strips After selecting, adjust each strip independently (Set Base Position of GSS Effect to 0) Horizontal Position: Move strip left-right Vertical Position: Set individual scan line height Width: Adjust strip thickness Precision Strip Control (Arrow Keys): Right Arrow: Expand strip width to the right (+1px) Left Arrow: Expand strip width to the left (+1px) Up Arrow: Shrink strip from the left (-1px Down Arrow: Shrink strip from the right (-1px) This extension does not collect, store, transmit, or share any user information or data of any kind. All image processing occurs entirely on your local device: Images you upload are processed in your browser's memory only Images are NEVER uploaded to any external server Images are NEVER stored by the extension When you close the editor, all image data is immediately discarded Last Updated: January 2026 Version: 2.0.0 Multi-Strip Support added Developer: Dark Lab Projects