About DevtUtils
The high-performance online utility suite engineered for privacy, instant local execution, and a distraction-free workflow for everyone.
What is DevtUtils?
DevtUtils is a comprehensive, free online utility platform built with a singular design principle: every tool is an independent mini-application engineered for peak productivity and complete privacy.
Whether you are managing PDF documents, formatting text, calculating financial numbers, inspecting code, or converting images, DevtUtils executes 100% locally in your web browser using modern Web APIs, Web Workers, and WebAssembly — so your private documents and data never get sent to third-party servers.
Who is DevtUtils Built For?
Everyday Users & Office Professionals
Merge, split, rotate, and watermark PDF documents, generate QR codes, calculate percentages/taxes/stock averages, and create strong passwords securely.
Writers, Students & Content Creators
Count words and characters, format LinkedIn posts with rich Unicode styling, remove duplicate lines, convert case, and calculate dates.
Designers & Visual Creators
Generate harmonic color palettes, design multi-stop CSS gradients, craft cubic-bezier easing animations, mix and blend color spaces, verify WCAG contrast, and convert image formats.
Developers & Technical Professionals
Build Docker Compose stacks, generate crontab schedules, calculate Linux chmod permissions, build Markdown tables, inspect Unicode code points, format JSON/YAML/CloudWatch logs, and test Regular Expressions.