3 tools
OneToolkit is a privacy-first comprehensive online suite of 121+ free utilities for file and data processing tasks. The collection includes PDF document tools for merging and splitting operations, JSON formatting and validation tools, image compression and optimization utilities, HEIC image conversion to standard image formats, and numerous other tools designed for everyday productivity. All tools prioritize simplicity and user accessibility across different skill levels. All tools operate directly in your web browser without requiring any software installation or downloads. Files are processed locally on your device through client-side computation, remaining stored there and never transmitting to external servers, ensuring complete privacy and data security. The platform requires no account registration, applies no watermarks, and imposes no upload size or frequency limits, enabling unlimited free use for all users.
Instantly check your browser's screen resolution, viewport dimensions, pixel ratio, and other display details without installing software. This free browser-based utility is designed for web developers, designers, and anyone troubleshooting responsive design layouts. The tool provides real-time information about your display configuration, making it essential for testing how websites render across different screen sizes and device types. Useful for diagnosing display-related issues and verifying that responsive designs work correctly on your specific hardware.
Free QR Codes is a collection of privacy-focused browser tools for creating, scanning, and checking static QR codes. The suite enables users to generate custom QR codes from URLs, text, and other content, decode existing QR codes to read and access their contents, and validate QR code structure and quality. Each tool in the collection prioritizes user privacy, simplicity, and accessibility. All core features work without requiring user account registration, adding watermarks to output, or imposing artificial expiration dates on generated codes. QR code content is processed entirely within the browser, ensuring complete privacy and enabling offline-capable functionality. The tools are lightweight, fast, and fully compatible with modern web browsers without relying on external services for operation or collecting personal user data.
