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
Verify WCAG 2.1 color contrast compliance, convert HEX/RGB/HSL/CMYK color codes, inspect EXIF camera metadata, and resize images.
Developers & Technical Professionals
Inspect JWT claims, format JSON/YAML/XML, test Regular Expressions, parse AWS CloudWatch logs, generate SHA-256 hashes, and encode/decode Base64 and URLs.