7 Free Online Tools Every Developer Should Bookmark in 2026

As developers, we constantly need small utilities — converting files, compressing images, generating QR codes, editing PDFs. Instead of installing desktop apps or trusting random websites, I've been using Tools1984 — a platform with 2300+ free online tools. Here are my top picks: 1. PDF Editor & Merger Need to merge multiple PDFs before sending documentation? Or split a large PDF into sections? Tools1984's PDF suite handles merging, splitting, compressing, and rearranging pages — all in the browser. Use case: Combining API docs, contracts, or reports into a single file. 2. Image Compression Optimizing images for web performance is crucial. The image compressor supports JPG, PNG, WEBP, and GIF formats with adjustable quality settings. Use case: Compressing screenshots and assets before pushing to your repo or deploying your site. 3. QR Code Generator Generate QR codes for WiFi networks, URLs, WhatsApp links, VCards, and UTM-tagged campaigns. Useful for both development testing and produ