Toolbox

Fast personal utilities for engineering, school, and daily workflows. Everything runs locally in-browser where possible.

Merge PDF
Combine PDFs and images into a single document, reorder pages, and export instantly.
Printable templates
Templates for graph, engineering, isometric, dot, and blank paper.
Symbols
Quick copy-paste of math symbols, engineering notation, and emojis for fast use.
Equations
Save and browse equations for math and engineering.
File Converter
Convert file types (images, documents, and more) in the browser.
Files Vault
Store and organize personal files (textbooks, notes, video, images).