Best command-line tools

Optimize JPEG files from the command line

Java command-line tools for extracting and restructuring PDFs

Command-line PDF processing with bookmarks, metadata, and layout

Check TLS protocols and ciphers from the command line

Extract PDF text with page, layout, and coordinate controls

Convert timed text through configurable readers, filters, and writers

Structural PDF transformations from the command line

Extract PDF text and page objects with a CLI and Python tools

Convert HTML and CSS into PDF without a browser engine

A command-line mail client that accepts prepared encrypted messages

Automate image transformations in batches

Measure throughput between controlled network endpoints

Symbolic calculation through a compact command interface

Run interactive shell sessions and automate command-line tasks with the Bourne Again SHell.

A Python command-line client for S3-compatible storage

Decode or forward an sFlow feed

Encode, decode, inspect, and tag Ogg Vorbis audio

Serve folders with uploads, WebDAV and access rules

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

Trace routes with network context

Compose image conversions and transformations in a shell

Send files by a short code through the terminal or browser

GPG-encrypted password files managed from a shell

Extract PDF tables using configurable parsers and a CLI