Free Online Tools — Private, In-Browser Utilities.
Work with PDFs, images, documents, calculators, and developer tools directly in your browser. 100% free with zero file uploads and complete data privacy.
Featured & Most Popular Utilities
Explore Tool Suites by Category
Browse all 54 active in-browser tools organized into purpose-built suites.
23 tools
PDF Tools
Work with PDF files using tools for merging, splitting, compressing, rotating and converting documents.
Open PDF Hub
6 tools
Image Tools
Resize, crop, compress, convert and manage images online.
Open Image Hub
6 tools
Text Tools
Use practical online tools to edit, format, transform and analyze text.
Open Text Hub
16 tools
Calculator Tools
Calculate percentages, BMI, taxes, mortgages and other everyday values.
Open Calculator Hub
3 tools
Developer Tools
Useful online utilities for developers, programmers and technical workflows.
Open Developer Hub
Platform Transparency & Engineering Standards
Mega Toolskit operates with 100% in-browser client-side execution, zero server-side file retention, and deterministic mathematical models.