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Map IP addresses to BGP origins and prefixes

PDF content editing and comment export across devices

Automate PDF conversion, parsing, and document operations

Edit and convert PDFs with a small monthly free export allowance

Design links with a weekly email selection

Mac file transfers with dual panes and folder synchronization

Browser file sharing with paired devices and temporary rooms

Automate portrait retouching and batch cleanup

Calibrate, register and integrate deep-sky images

Build repeatable microscopy image-analysis pipelines

Test matching, substitution and extraction rules

Type with online language keyboards and layout guidance

Free Windows media conversion with track and subtitle controls

GNOME audio conversion with tag-based file naming

Manage copy queues, errors and filename collisions

Automate business file transfers with schedules and triggers

Visualize a traceroute from your device

Arithmetic, finance and practical calculation worksheets

High-precision scientific calculation with reusable expressions

Research-statistics calculators for study interpretation

Beam analysis that can continue into a 2D model

Emissions estimates for travel, homes and events

Symbolic calculation through a compact command interface

Fluid-flow calculators for pipes, valves and measurements