As the toolbox has grown past 30 apps, "your files never leave your browser" stopped being true for all of them, so instead of one blanket promise, each tool below is tagged for exactly how it handles your data: processed locally on your device, assisted by a server we control, or live and networked by design. No guessing, no fine print — just an honest label before you click.
Fly South Florida in Cesium — shared sky with friends, chase or cockpit, cyan centerline + green glideslope into FLL 10L.
Activates your camera and slaps a GPS text overlay over your photos. Enhanced to celebrate the 250th Anniversary of USA!
NEWTurn your phone's rear camera into a magnifying glass — pinch to zoom, torch, freeze frame. Nothing uploaded.
Quickly take all of the JPG or HEIC pictures uploaded and place them onto a map to be exported into an Excel spreadsheet.
Shrink file sizes while preserving original GPS and EXIF metadata.
Batch convert various photo formats into other photo formats.
For those times when manual tweaks to the EXIF data are needed.
Drop a photo folder, read GPS EXIF from each file, and export photos_gps.json — all local, no upload.
Automatically read the GPS on the face of image and inject the EXIF data in a new downloaded file.
Enables comments and imprints meta data on the face of photo. Version 2.9 now supports HEIC photos.
Takes a GIF file and parse it into component frames.
Almost as useful as the Microsoft Paint program.
Server-Assisted: upload MP4/MOV, compress with native FFmpeg on chisheu tools, download. Legacy browser WASM still available.
Custom built for one of our most prized Collagues.
Visualizing King Tides graphically — an interactive 3D Sun-Earth-Moon model showing why the highest tides happen when the Moon is closest and everything lines up.
Also: Earth–Moon viewFlight-track map of the 2026-09-06 Amazon Cargo approach / RWY 30 excursion at MIA — GeoJSON preloaded.
Lite: Fast tile loading for quick site JPEG batch reviews.
Field observation for crews — photos, GPS, projects. Early beta; recruiting coworkers to poke for kinks.
This application will read an excel table with GPS (X-Y values) and plot them to a map.
NEWPlot an Excel table with lat/long, filter it, and export to Google Earth KMZ/KML or GeoJSON.
Export geotagged photos to Google Earth format instantly.
Unpack KMZ archives to recover KML text and binary image assets into local folders.
Unpacks a Shapefile, GeoPackage or GeoJSON files and puts it on a Map without expensive software.
Quickly list all roadway section numbers and mile posts of roads in FDOT's District 4.
A Drop a pin. Talk some trash. Share. A blackboard markup function has also been added for your story session.
Load and perform rudimentary GIS editing functions to GeoJSON and KML files.
Automagically fill out a rather tedious, old-fashioned form.
A prototype roadway construction communication platform that's devolved into chaos.
A visualizing tool for the State Plane Coordinate system interposed with the Global Positioning System.
The infrastructure vascular system of the free State of Florida and the Lone Star Republic. The ground transportation network of United States truly is a wonder of the world that we take for granted everyday. God bless America!
<------ Download a Geojson line file from "Downloadable roadway information for Florida and Texas" placard and visualize Project Network Control survey and stationing to GPS.
Automagically fill out yet another rather tedious, old-fashioned form.
We developed an automated AI verification tool to validate guardrail data captured via computer vision from roadway videos. This innovation eliminates the need for manual review, streamlining our data quality assurance workflow.
This will load various GeoJSON files into discrete layers and allow for a cursory analysis of these GIS layers.
Takes a plan view of an image and reference it to a map.
May be necessary for many of the web map apps on this site.
A quick markup language translator into a tabular format.
A quick translation of normalized tabular data into a JSON markup language.
Enables a heatmap overlay for a smattering of points.
Draw a box over assets and auto-compute quantities involved.
Visually see where we are with our sweeping cycle.
Visually see where we are with our sidewalk edging cycle.
All 1,054 FHWA 11th Edition standard highway signs — searchable, filterable, CDN-ready SVG library.
If your As-Built plan set has a lot of "VOID" pages in it, this utility will strip them out for your convenience.
Take an existing PDF document and put it on a diet.
Take an existing PDF document and converts it to vector graphics format.
Another light-weight SVG editor.
Opens a PDF document and allows for superficial markup over the document. Exports annotated page to PNG.
Allows for selection of a portion of your document to be immediately downloaded as image.
Allows for selection of a portion of a PDF document to generate an abbreviated version of a PDF document.
Take a static PDF and extracts it into usable text. With multi-language codex support.
Pull tables out of a PDF into a spreadsheet in your browser. Preview before download — no upload.
Take an existing PDF document and turn it into a picture.
Take a bunch of roadway sheets and turn it into one picture. This one is a bit wonky still, don't lean too hard on it.
Quick-and-dirty way to manipulate pdf pages without using the print to pdf hack.
This will read and convert an antiquated TIFF file format to either PDF or JPEG.
Browser-based compression when OS functions fail.
Convert lists to Windows .bat scripts with safety logic.
Generate recursive, time-stamped plain-text file lists.
This utility will create a recording of a specified area on your screen.
NEWQuick-and-dirty node chart maker for relational database schemas.
NEWOpen standalone .eml, .msg, or .mbox email backups in your browser. Search, preview, and download attachments — nothing leaves your machine.
Secure, browser-based randomized number generation.
Open a photo and examine its hidden EXIF meta data.
See how much it costs LLMs to process your documents.
Verify satellite lock accuracy before starting field work.
For the super detail-oriented few who wants to compress photos one at a time.
Games before they were ruined by Multi-layered authentication log ins with recurring subscription accounts.
What tattered remains of the methematics I was once taught.
Physics don't care about feelings.
See how the amount of refrigerant in an air conditioner shows up in two key readings, superheat and subcooling, and how running low can freeze the coil and the line back to the compressor.
Also: pipe close-upWhy Wolfenstein 3D was so revolutionary in influencing our world in so many serendipitous ways, and being super fun while doing it.
A JPG cutting tool for creating 2D Sprites for game development.
Collection of random information involved in Civil Engineering.
You'll need the Excel file generated from the PMMS pdf report translated before the thermoplastic reflectivity lines can be rendered. Work in progress... Ask Chi how to use this tool.
Takes the cross-sectional slides portion of a set of drainage plans and layout the circuit in 3D for visualization.