Personal utility scripts

A collection of small command-line utilities for Python 3.14, Bash, and PowerShell. Each script starts with its own usage notes; commands implemented with argparse also support -h/--help.

Python utilities

• bitflag_visualize.py — display an integer as a table of bits and named flags (json5).
• bmi_calc.py — calculate BMI and report healthy weight or height thresholds.
• bibtex_to_cite.py — format BibTeX entries as a CSL bibliography (citeproc-py).
• calendaralt.py — find years with the same calendar.
• colorconv.py — convert between HEX, RGB(A), HSL(A), and CMYK colors.
• export_gh_starred.py — export a user's starred GitHub repositories (requests).
• extract_highlighting_docx.py — print highlighted DOCX text (python-docx).
• extract_pdf_annotations.py — export PDF annotations to JSON (PyMuPDF).
• grow_percentage.py — interactively calculate percentage changes.
• gitignore_cleanup.py — list paths ignored by a .gitignore and optionally move them to the system trash (pathspec, Send2Trash).
• md_indexer.py — build JSON indexes for Markdown files (optional PyYAML).
• pdfmerger.py, pdfslicer.py — merge and slice PDFs (pypdf).
• pip_checkcompat.py — inspect PyPI wheel compatibility (requests, packaging).
• stopwatch.py — interactive terminal stopwatch.
• temperature_monitor.py — record and plot temperature sensors (psutil, matplotlib; optional pythonnet on Windows).
• vcard_csv.py, vcard_merge.py — convert and merge vCards (pyvcard).
• videotime_speed_calc.py — calculate playback time at a selected speed.
• watermark_pdf.py — add text or outline watermarks (PyMuPDF, fonttools).
• worddict.py — turn a word list into a simple HTML dictionary.

Run a command with Python 3.14, for example:

python3.14 bmi_calc.py bmi 75 180
python3.14 colorconv.py '#336699' --hsl

Shell and PowerShell

• abandoned_branches.sh — classify Git branches relative to a target branch.
• imagequant.sh — optimize large PNG files with pngquant and oxipng.
• skills.sh — install agent skills from local arguments or a list file.
• windows/GenerateWiFiPasswordList.ps1 — convert saved Windows Wi-Fi profiles into NetworkManager connections.
• windows/Microsoft.PowerShell_profile.ps1 — configure UTF-8 console and tool output.

Review a script's header or pass --help for prerequisites and complete usage.