Utilities & Online Tools

PDF conversions and document cleanup in one suite

Sharpen and align astronomical image sequences

Look up characters and their Unicode context

Learn and test text patterns with live feedback

Clean text copied between applications

Download and seed torrents with a native client

Preflight and fix print PDFs inside Acrobat

Locate network devices by address and switch data

Publish a looking glass for route-server data

Convert mixed files with format-specific output settings

A notepad calculator with variables and calendar expressions

Algebra and calculus through dedicated solvers

Research-oriented Internet measurements with public result data

Map and migrate database schema, data, and indexes

CSS typesetting with browser previews and PDF export

Automate PDF conversion, parsing, and document operations

Self-hosted PDF conversion through a containerized API

Repair PDF tags, tables, and logical reading structure

Play torrent media while it downloads

Extract PDF tables using configurable parsers and a CLI

Generate personalized documents from business-system data

Convert archives and export graphical tasks as scripts

Prepare photos for web pages and email

Locate usage and typography issues in English prose