Utilities & Online Tools

Batch PDF compression with reusable profiles

A multi-document PDF canvas with page dragging

Windows encoding workflows with scripting and frame servers

Steady-state chemical flowsheet calculations

Educational aviation and atmosphere calculations

Host a simple upload-and-link sharing service

Engineering calculations with steps and interactive models

Personal emissions estimates with quick and detailed inputs

Windows PDF editing with OCR, export, and document snapshots

Query RDAP directly from a browser

PDF editing with OCR and form workflows

Computer algebra with graphs, geometry and statistics

Denoise, sharpen and repair image copies

Weather quantities with linked formulas

Command-line PDF validation, page layout, and resource tools

LAN, Wi-Fi and Internet diagnostics on a phone

Explore address space, routing history and ASN data

Media conversion with batch rules and watch folders

Inspect word, syllable and vocabulary statistics

Look up domain registration, DNS and history

Cross-platform transfer server with browser administration

Trace routes with network context

Convert scanned PDFs into text on Mac or Windows

Read scientific PDFs and export your notes on Mac