Free Developer Tools Tools
Free developer tools tools with a genuine free tier. 33 tools listed.
Diff Anything
Free desktop diff tool for code, docs, images, and folders — no account or cloud service
DevDock
Windows local dev workspace, free for up to 3 projects with Git, Docker, and security audits
EphCaptcha
Free CAPTCHA alternative with a tap-and-drag verification widget, no signup
Latest QR Code Generator Free
Free browser QR code generator for URLs, WiFi, UPI, PDFs and more, no sign-up
Toolstic
30+ categories of free browser utilities for images, text, math, PDFs, dev, SEO and more
SQLint
Free SQL practice workspace: 95+ questions, puzzles, case studies and browser-based mini tools
DomScan
Internet intelligence API: domain, security and content signals with 10,000 free credits a month
CSV SafeCheck
Free browser-based Shopify product CSV validator that catches import problems before you upload
YOORfreeTools
479 browser-based utilities for PDFs, images, text, dev and more, no account needed
YAML Preflight
Free browser-based YAML checker that catches GitHub Actions permission mistakes
DeployPass
Free passive website security scanner for pre-deployment checks
YOORmonitor
Free uptime monitoring with 5 monitors, 5-minute checks, and multi-region consensus.