jefftml's tools

A collection of simple scripts, utilities, and web tools I use or built.

Websites

Color Contrast Analyzer - Analyze color contrast between multiple colors, up to 50 colors total, in tons of formats.
Motion Tracker Website - Show tracking markers on screen for match moving.
Random Bracket Generator - Generate a random bracket for the upcoming men's basketball tournament.
Price Comparison - Compare prices across different weights and units to find the best value.
Special Characters - Copy and inspect special characters, like   and —.
Value Tweener - Fill in missing values using linear interpolation.
Event Email Schedule - Suggests timing for email series.
Framing Calc - Feet-inch-fraction construction calculator, with 1/8 to 1/64 precision and fraction, decimal, or feet-inches display. Built for the phone in your pocket at the lumber yard.
Pixelbench - Crop, resize, rotate, flip, and export images as PNG or JPG. Runs entirely in your browser, so nothing ever uploads.
The Jeffverter - Pocket-calculator style unit converter covering distance, area, volume, temperature, file size, mass, speed, time, energy, and pressure - plus Jeff's Calculator, 41 CAD and 3D-printing tools for fractional inches, geometry, bolt circles, hole clearances, filament and print cost.
Tabs → Bullets - Turn tab-indented outlines into nested HTML bullet lists, with a live preview and one-click copy.

PDF Voting - Shows 2s animation of first 10 pages to help categorize PDFs. I created this to sort 750 PDFs in 45 minutes.
Remove Unneeded File Extensions - remove old extensions in filenames, like doc.docx.pdf would remove the .docx.
Show Duplicates - Find TV and movie media files with ~same name, ask to keep only the smallest.
Organize Files - GUI to sort files into folders based on filetype, used to auto clean up my downloads folder.
Flatten Folder - Puts all sub folders and files into the current directory.
Web Image Converter - Used to convert images to web safe jpg, faster than loading photoshop, used to save filesize as well to avoid huge images.
Scan PDFs for Keywords - Scan PDF files for keywords, copy to folder for manual review, report pages keywords were found on. Used to find text in lots of long PDFs quickly.
Timelapse Detector - Find timelapse photo sequences and organize into subfolders.
Video Caption Fix - GUI to fix .srt caption timings by constant or drifting amount.

16x9 Window Resizer - Make the active window a 16x9 aspect ratio, great for screen recording. Also allows to pick a "scale" for the window size.

Quit Work Apps (.bat) - Provide it a list of .exe's to kill, and it will hard kill them.
Schedule Wellness (.js) - Google calendar add events to my personal calendar, block time on work calendar.

Incremental Save - Saves your current file with an incremented version number (e.g., doc.txt → doc-01.txt → doc-02.txt), useful for maintaining version history without overwriting.
Quote Replacer - Converts straight quotes to HTML entities (curly quotes like “ and ”) while intelligently preserving quotes within HTML tags, CSS, and JavaScript, and handles apostrophes in contractions.
Follow these instructions on how to install Sublime Text Add-ons.

If it's not here, it's on code.jefftml.com.