Utilities & Online Tools

Summarize captured adapter traffic by protocol and endpoints

Structural calculations linked to worked examples

PDF reading and editing for Mac, iPhone, and iPad

Combine traceroute and ping in an interactive diagnostic tool

Probe an HTTP server repeatedly from the command line

Windows PDF editing organized into four task modes

Scientific and everyday calculations with units

Automate supported database migrations to Microsoft's SQL platforms

Formula calculators with selectable input units

Reflow PDFs and DjVu documents for smaller screens

Integration with visible input, steps and graphs

Formulas and notes arranged on a mathematical worksheet

Browser-to-browser file batches without a separate initial upload

Straightforward online PDF conversion and page tools

Cloud video transcoding with configurable output profiles

Free audio conversion with cue splitting and folder retention

Email large-file deliveries with free and paid allowances

Edit and retouch photos across devices

Merge two or three text inputs

Windows batch converters with command-line support

Inspect browser-visible IP, DNS and fingerprinting signals

FFmpeg conversion with pass-through and detailed stream handling

Develop RAW photos through a film-simulation process

Compact ping visualization using ordinary shell tools