Free & Private Online
Image Tools – 100% Client-Side
Compress, Resize, and Convert JPG, PNG, and WebP images instantly in your browser. No server uploads. No data leaks. Built for speed.
Professional Tool Grid
Optimized image optimization and conversion utilities.
Image Compressor
Compress to 50KB or 20KB for official forms and web.
Image Resizer
Change dimensions (px, cm) for social media and IDs.
Image Cropper
Precise cropping with aspect ratio presets (1:1, 16:9).
JPG to PNG
Convert to PNG with 100% transparency support.
PNG to WebP
Improve PageSpeed scores with next-gen WebP format.
WebP to JPG
Fix compatibility issues for older software and apps.
Why imgDuo is the Most Secure Choice for Your Images
At imgDuo, we believe your private photos and sensitive documents (like Aadhaar, PAN, or Signatures) should never touch a third-party server. Developed by Arunava Debnath and Suvodeep Dey, software engineers from Kolkata, India, imgDuo uses advanced client-side JavaScript to process images directly in your browser's RAM.
Unlike cloud-based tools like Adobe or iLoveIMG, we never "see" your files. This "Zero-Upload" architecture ensures 100% privacy, near-instant processing, and the ability to work even when your internet is slow.
Optimized for Every Requirement
For Students & Job Seekers
Easily compress photos and signatures to 20KB, 50KB, or 100KB for SSC, UPSC, IBPS, and State PSC portals. Reach your 50KB limit instantly with perfect clarity.
For Web Developers
Convert legacy formats to WebP to hit a 100/100 score on Google PageSpeed Insights and improve LCP (Largest Contentful Paint) for better rankings.
For Designers
Precise cropping and lossless conversion for logos and UI mockups with alpha-channel transparency support. Maintain every pixel of your brand assets.
imgDuo Toolkit: Frequently Asked Questions
Find quick answers about how imgDuo uses client-side processing to keep your images private and secure.