GIS, Field Survey & Mapping

Convert ESRI shapefiles (.shp + .dbf or zipped) to GeoJSON in your browser — attributes preserved, nothing uploaded. Free, no size games.

Open and inspect ESRI shapefiles online without ArcGIS or QGIS — feature counts, attributes and GeoJSON preview, 100% in your browser.

Extract the KML from any KMZ file in your browser — see bundled icons/overlays too. No upload, no Google Earth install needed.

Compress a KML into a Google Earth-ready KMZ in your browser — typically 70–90% smaller, valid doc.kml packaging, no upload.

Merge multiple GPX files into one — tracks auto-ordered by timestamp, waypoints kept, total distance shown. Free and in-browser.

Turn a spreadsheet of coordinates into a GPX file for your GPS, watch or app — waypoints or a track, with elevation and names. In-browser.

Shrink bloated GPX tracks with Douglas–Peucker simplification — set a metre tolerance, see the reduction, keep the shape. In-browser.

Upload a GPX and get distance, elevation gain/loss, max altitude, duration and a clean elevation profile chart — free, in-browser.

Validate GeoJSON against RFC 7946 — catches swapped lat/lng, unclosed rings, bad types — and auto-fixes what's safely fixable. In-browser.

Convert between MGRS grid references and latitude/longitude (WGS84) — both directions, 1 m to 10 km precision, with UTM shown. Free.

Encode lat/long to geohash and decode back — choose 1–12 characters, see the precision in metres at each length. Free, in-browser.

Encode coordinate lists to Google's polyline format and decode any encoded polyline back — precision 5 and 6 supported. Free dev tool.

Walk your boundary, capture each corner with GPS, get area in acres, hectares, bigha, gunta and square feet — instant, offline, free.

Enter bearing + distance legs, get departures/latitudes, coordinates, misclosure and linear precision (1:n) — classic closed-traverse computation.

Type BS/IS/FS staff readings, get reduced levels with the full rise-and-fall table and the three-way arithmetic check — a live level book.

Grid of spot levels vs formation level → cut, fill and net earthwork volumes by the borrow-pit method — instant, with per-square math shown.

Two coordinates → great-circle distance, forward bearing and back bearing — GPS-capture either end; the surveyor's inverse, free and offline.

Log pH, dissolved oxygen, turbidity, TDS and temperature against screening limits — instant exceedance flags, trends and compliance reports.

Log field test kit results — pH, TDS, chlorine, fluoride, nitrate, iron — against IS 10500 limits with exceedance flags; built for JJM-style surveillance.

Log Leq day/night readings against residential ambient limits (55/45 dB) — exceedance flags, trends and reports for complaints and permits.

Log outfall pH, BOD, COD, TSS against general discharge standards — exceedance flags, trends and a report formatted for compliance files.

Track depth-to-water across wells and piezometers — seasonal trends, drawdown patterns and CSV export for aquifer studies; offline + GPS.

Log PM2.5, PM10, CO₂-adjacent observations against NAAQS limits — exceedance flags, trends and reports from low-cost monitor readings.

Log free chlorine, pH, alkalinity and CYA against MAHC bands — instant out-of-range flags, trends and a printable health-department log.

Track windrow/pile temperatures against the 55°C pathogen-kill window (PFRP) — per-pile trends, turn scheduling and compliance records.

Pond/tank logging for fish & shrimp — DO, pH, ammonia, temperature against culture-safe bands; dawn-DO trends, alerts and feed-day records.

Log CO₂, PM2.5, humidity and temperature per room against ASHRAE/WHO guidance — ventilation diagnostics, trends and facility IAQ records.

Paste or open GeoJSON and see it instantly — feature counts, attribute table, map preview and a downloadable interactive Leaflet map. No upload.

Open KML files without Google Earth — placemarks, paths and polygons with attributes, map preview and conversion to GeoJSON/CSV. Client-side.

View GPX tracks, routes and waypoints from any GPS device or app — instant preview, stats, and conversion to GeoJSON/KML/CSV. No upload.

Convert KML to clean GeoJSON in your browser — placemarks, paths, polygons and ExtendedData become features with properties. Free, no upload.

Turn GeoJSON into KML for Google Earth and My Maps — properties become ExtendedData, geometry converts cleanly. Browser-only, free.

Convert GPS tracks, routes and waypoints to GeoJSON for web maps and analysis — segment-aware, client-side, free.

Visualize Well-Known Text geometries from PostGIS/SQL — paste WKT, see it on a map, convert to GeoJSON/KML/CSV. Client-side, free.

Plot a spreadsheet of coordinates on a map in seconds — paste CSV with lat/lng columns, preview, and download an interactive HTML map. No upload.

Publish a QGIS layer as an interactive web map — export GeoJSON from QGIS, get a self-contained Leaflet HTML file + embed snippet. Free.

Extract placemarks from KML into a spreadsheet — names, coordinates and ExtendedData as columns. Google Earth/My Maps to Excel, client-side.

Convert GPS tracks to KML for Google Earth — tracks drape over 3D terrain, waypoints keep names and elevations. Browser-only, free.

Turn GeoJSON features into Well-Known Text for SQL inserts and PostGIS — one WKT per line, ready for ST_GeomFromText. Client-side, free.

Free multi-stop route optimizer — paste up to dozens of stops, get the shortest order with ETAs, and export a run sheet. No sign-up, works offline.

Plan delivery runs free — optimize stop order, get per-drop ETAs and a printable run sheet. Built for small fleets and solo couriers; offline-first.

Order plow runs by priority and distance — depots, ETAs per segment start, and exportable run sheets for storm response; offline-first.

Order bin/dumpster stops for collection days — minimize deadhead between clusters, ETA each stop, export driver run sheets; offline-first.

Order technician jobs by drive distance — realistic ETAs with per-job durations, printable day plan; free, offline, no dispatch software needed.

Plan field-sales days — order prospect and account visits to cut windshield time, with ETAs per meeting; free and private, offline-first.

Sequence manual meter-read routes and AMI exception lists — walk/drive order, ETAs and exportable read sheets; offline for the field.

Order patient visits for nurses and caregivers — realistic ETAs with visit durations, privacy-first (no upload), printable day plan.

Order the day's inspections — permits, code cases, assets — by drive distance with per-stop durations and ETAs; pairs with our field loggers.

Plan property tour days — order showings to fit more homes with less backtracking, ETA per property; free, private, offline-first.

Order property visits — move-outs, periodic inspections, vendor checks — across a portfolio with ETAs and exportable day plans; offline.

Optimize personal errand runs — order grocery, pharmacy, post office and pickups for the shortest loop home; free, private, works offline.

Standalone solar light checks — panel, battery, luminaire, pole, controller and shading; built for rural/village light surveys, offline + GPS.

ATM/BC kiosk site checks — skimmer indicators, camera, lighting, e-surveillance, signage, AC and housekeeping; route-based offline log.

Open-air gym checks — moving parts, bearings, anchors, surfacing, signage and entrapment points; GPS-tagged offline log for parks.

Public-safety camera network checks — view, focus, housing, mounts, power/comms and obstruction findings; GPS-tagged offline log.

Emergency siren site checks — rotation, batteries, cabinet, antenna, activation test results and coverage notes; offline + GPS.

AWS/mesonet site checks — sensor condition, siting drift, radiation shield, rain gauge, power and data integrity; offline + GPS.

Stream gauge site checks — intakes, stilling well, staff plates, datum, sensors, telemetry and channel changes; offline + GPS.

Campus safety rounds — egress, fire systems, classrooms, labs, playground interfaces, water and electrical; room-tagged offline log.

Truck scale checks — deck, load cells, T-junctions, approaches, drainage, test results and seal status; offline log for site operators.

Event/jobsite sanitation checks — unit condition, service currency, anchoring, placement, handwash supplies and ratios; offline + GPS.

Borewell site checks — capping, casing, platform, pump condition and abandoned-well hazards (Supreme Court guidelines); offline + GPS.

Community hand pump checks — handle, head assembly, platform, drainage, water quality flags and downtime tracking; offline village survey log.

School-area traffic audit — signage, beacons, crossings, sight lines, speed compliance and arrival/dismissal conflicts; offline + GPS.

Speed humps, tables, chicanes, mini-circles and bollards — condition, signage, markings and drainage/drivability findings; offline + GPS.

Public AED readiness checks — status indicator, pads/battery expiry, cabinet alarm, signage and registry accuracy; route-based offline log.

Docked/dockless hub checks — docks, kiosk, bikes triage, solar/power, site condition and rebalancing notes; GPS-tagged offline log.

Concrete/ramp skatepark checks — surface, coping, transitions, edges, drainage and site safety; GPS-tagged offline log for parks crews.

Off-leash area checks — fencing/gates, surface, water stations, waste stations, shade and hazard findings; GPS-tagged offline log.

Sculptures, murals, fountains and installations — structural, surface, coating, anchorage and vandalism condition; GPS-pinned offline log.

Park/fire lookout tower checks — structure, stairs, decks, railings, lightning protection and access control; GPS-tagged offline log.

Stormwater construction inspections — silt fence, inlets, exits, stabilization, discharge points and rain-event triggers; offline + GPS.

Powerline corridor vegetation patrol — clearance zones, danger trees, cycle-buster growth and access issues; GPS-pinned offline log.

EDRR field log — species, patch size, phenology, treatment history and spread vector notes with precise GPS; offline for land managers.

Security/perimeter fence patrol — fabric, posts, gates, washouts, anti-climb features and breach evidence; GPS-pinned offline log.

Outdoor advertising structure checks — column, welds, catwalks, faces, lighting and foundation; GPS-tagged log for sign companies.

Cemetery walkdown — unstable monuments, sunken graves, trees, roads, fencing and records flags; GPS-pinned offline log for sextons.

Bank condition survey — erosion severity, bank height/angle, vegetation, infrastructure risk and BEHI-style notes; GPS-pinned offline.

Owner-level embankment dam checks — seepage, settlement, spillways, outlet works, vegetation and instrumentation; offline + GPS.

Zone-by-zone irrigation audit — heads, coverage, leaks, controller programming, backflow and water-waste findings; offline + GPS.

Vegetated roof walkdown — membrane edges, drains, media depth, plant health, irrigation and safety items; zone-tagged offline log.

Low-slope roof walkdown — membrane, seams, flashings, drains, ponding and rooftop traffic damage; zone-tagged offline log with exports.

Exterior wall walkdown — masonry cracks, spalls, lintels, sealants, anchors and falling-hazard triage in FISP-style language; offline + GPS.

Fire escape condition log — anchors, treads, railings, drop ladder, paint/rust and egress path; offline GPS log for owners and inspectors.

Egress walkdown — exit doors, paths, signage, emergency lights button-tests and assembly areas; route-tagged offline compliance log.

ASHRAE 188-minded tower rounds — drift, biofilm, basin, fill, fans, treatment status and Legionella program items; offline + GPS.

RTU walkdown — filters, coils, belts, economizers, condensate, curbs, gas/electrical and roof-interface items; unit-tagged offline log.

Dock safety walkdown — levelers, restraints, doors, bumpers, wheel chocks, lighting and trailer-separation hazards; offline + GPS.

Competent-person scaffold checks — footing, bracing, planking, guardrails, ties, tags and weather events; tagged per scaffold, offline.

Portable & fixed ladder audits — rails, rungs, feet, hardware, labels and fixed-ladder fall systems; ID-tagged offline inspection log.

Warehouse racking audit — upright damage classes, beam connectors, anchors, load signage and impact events; bay-tagged offline log.

Grade crossing audit — signs, signals, gates, surface, sight distance and drainage in FRA/MUTCD language; GPS-tagged offline log.

Walking/hi-rail track patrol log — geometry eyeballs, rail surface defects, joints, fasteners, ballast and ROW findings; offline + GPS.

Part 139-style daily airfield checks — FOD, pavement, markings, lighting, signs, wildlife and construction areas; offline GPS log.

Hospital & private helipad checks — TLOF/FATO surface, markings, lighting, safety net, fuel/fire items and obstruction creep; offline log.

Waterfront structure walkdown — decking, piles, hardware, fenders, utilities and waterline zone; offline GPS log for marinas and parks.

Coastal/lakefront wall walkdown — cap, face, toe scour, weeps, anchors, backfill loss and overtopping signs; offline GPS log.

Public launch ramp checks — surface, drop-off, algae, docks, parking, signage and invasive-species station; GPS-tagged offline log.

Whole-marina rounds — fire lanes, fuel dock, electrical, life-safety gear, liveaboard issues and environmental items; offline + GPS.

Transit stop audit — shelter condition, ADA boarding area, signage, lighting, glass, seating and pad condition; GPS-tagged offline log.

Parking garage walkdown — slab deterioration, ponding, joints, barriers, stairs, lighting and drainage; GPS/zone-tagged offline log.

Padmount transformer walkdown — locks, leaks, pad condition, clearances, corrosion and public-safety labeling; GPS-tagged offline log.

Outside-the-fence substation walkdown — fence integrity, signage, gates, erosion, oil containment and intrusion evidence; offline + GPS.

Public EV charger walkdown — connectors, cables, screens, bollards, ADA access and uptime checks; GPS-tagged log for site hosts and fleets.

Ground-mount/rooftop PV walkdown — modules, racking, wiring, inverters, vegetation, erosion and security; GPS-tagged offline O&M log.

NFPA 110-style weekly/monthly genset checks — fluids, battery, block heater, transfer switch, fuel and exercise results; offline route log.

STI SP001-style monthly AST checks — shell, containment, vents, gauges, water draw and spill kit readiness; offline log with GPS.

CP survey log — structure-to-soil potentials, rectifier readings, test station condition and criteria checks for pipelines and tanks; offline.

District regulator station walkdown — pressures, relief stacks, vents, vegetation, security and atmosphere checks; offline-first with GPS.

Residential/commercial meter set survey — corrosion, leaks, clearances, vent orientation, regulator condition and atmospherics; offline + GPS.

Fiber/DSLAM/traffic cabinet walkdown — doors, locks, vents, batteries, pest entry, strike damage and housekeeping; GPS-tagged offline log.

Valve exercising log — turns to operate, torque feel, box condition and accessibility, GPS-pinned so crews can actually find the valve again.

Cross-connection program field log — assembly condition, installation issues, test-due tracking and hazard class, GPS-tagged and offline.

Meter route field log — pit condition, lid safety, meter reads, leaks, tamper signs and AMR/AMI radio status; offline with GPS export.

Ground-level tank walkdown — coating, foundation, vents/screens, security, overflow and site issues for elevated and ground storage; offline log.

Lift station rounds log — pump status, wet well, floats, alarms, generator, odors and site condition; offline-first with GPS export.

Drinking-water well site inspection — sanitary seal, casing, vent, grading, setbacks and contamination sources nearby; offline + GPS.

PRV vault rounds — inlet/outlet pressures, pilot condition, vault flooding, bypass position and noise; the log that keeps zones stable.

Fats-oils-grease program inspections — trap sizing, 25% rule, pumping records, condition and bypass evidence at food establishments; offline.

811/one-call locate quality log — mark accuracy, color code, clearance vs as-builts, mismarks and near-miss documentation; offline + GPS.

NFPA 10 monthly visual checks across facilities — pressure, seals, access, signage and service dates — GPS/location-tagged, offline route log.

CPSC/ASTM-style playground inspection log — surfacing depth, entrapment, protrusions, equipment wear — GPS-tagged, offline, exportable.

Benches, tables, bins, grills and bike racks — condition, anchorage, ADA access and vandalism log with GPS pins for park maintenance.

Park shelter structural walkdown — roof, columns, connections, electrical and code items — GPS-logged for park facility programs; offline.

Field condition + movable goal anchoring log — turf hazards, hardware, fencing, bleachers and lighting; GPS-tagged for parks & schools.

Aquatic facility walkdown — barriers, drain covers (VGB), decks, chemical storage, signage and rescue equipment; MAHC-aligned, offline log.

Spray ground walkdown — surface slip/impact, nozzles, drainage, recirculation treatment and controller checks; GPS-logged, offline-first.

Public drinking water point inspection — flow, drainage, sanitation, ADA, bottle-filler filters and lead-test tracking; offline + GPS.

Park/transit restroom audit — sanitation, fixtures, ADA, vandalism, supplies and safety — time-stamped GPS log for service-level proof.

Multi-use trail audit — surface, drainage, bridges/boardwalks, signage, encroaching vegetation and hazards — GPS-pinned, offline for the field.

ICC 300-style bleacher safety log — guardrails, openings, footboards, frame, anchorage and egress; GPS-tagged for schools and parks.

Night patrol log for streetlights — outages, day-burners, knockdowns, exposed wiring and photocell faults, GPS-pinned for the repair crew.

Signal field inspection log — heads, visibility, ped features (APS), detection, cabinet and timing observations; offline with GPS export.

Routine bridge walkdown log — deck, superstructure, substructure, joints, bearings, scour signs — NBIS-style condition classes, offline + GPS.

Culvert condition log — barrel, inlet/outlet, blockage %, joint separation, piping and roadway settlement signs; GPS-tagged, offline-first.

Retaining wall walkdown log — bulging, tilt, cracking, drainage weeps, MSE panel distress and toe erosion; GPS-tagged and offline.

Stormwater catch basin log — grate, sump sediment depth, outlet condition and illicit discharge signs; built for MS4 programs, offline + GPS.

MS4 outfall screening log — dry-weather flow, visual/odor indicators, erosion and end-of-pipe condition with GPS; offline-first for stream walks.

Levee patrol log — seepage, boils, cracking, animal burrows, encroachments and erosion, in USACE inspection language; offline + GPS.

Stormwater pond BMP inspection — inlets, outlet structure, embankment, sediment, vegetation and mosquito issues; offline log with GPS export.

Noise wall condition log — panel damage, post connection, foundation movement, graffiti and vegetation; GPS-tagged corridor audits, offline.

Offline GPS-tagged inspection log for wood and concrete utility poles — decay, lean, hardware and clearance checks with CSV/GeoJSON export.

GPS-tagged hydrant inspection log — operability, caps, drainage, static pressure and NFPA 291 flow color class — works fully offline.

GPS-pin potholes, cracking, rutting and edge breaks with severity ratings — an offline windshield-survey logger that exports CSV/GeoJSON.

Offline patrol log for pipeline rights-of-way — encroachments, exposure, leak indicators, marker condition and third-party activity, GPS-tagged.

Offline tower-site walkdown log — compound, grounding, guy wires, lighting (FAA), antenna mounts and corrosion — with GPS and CSV/GeoJSON export.

Night-and-day sign audit log — MUTCD retroreflectivity checks, damage, obstruction and post condition, GPS-tagged and fully offline.

Street-tree survey log — species, DBH, condition and ISA-style risk observations with GPS pins; offline, exports CSV/GeoJSON for canopy GIS.

Sewer/storm manhole inspection log — cover, frame, chimney, wall, bench and infiltration observations in NASSCO MACP language; offline + GPS.

Roadside barrier audit — rail height, post condition, end terminals, impact damage and MASH-era hardware flags; GPS-pinned, offline-first.

Walkway audit log — trip hazards, cross-slope, width, surface defects and ADA/PROWAG flags, GPS-tagged for repair programs; offline-first.