Are these security camera tools really free?
Yes. The tools on this site work in the browser without a signup or payment.
21 free tools · No signup · Cleveland & worldwide
Free Security Camera Tools & Calculators
Plan camera positions, test blind spots, calculate lens coverage, PPF, NVR storage, PoE and bandwidth, or find TV and radio towers — all free in your browser with no signup. Built by working installers at Hi-Tech Security Solutions.
Featured tool
Camera Placement Tool
The visual planner — drop cameras, aim view cones, and export a branded plan PDF. The fastest way to see your coverage before anyone comes out.
Plan your coverage
Cameras & angles
Figure out how many cameras, where the blind spots are, and whether you can actually read a plate.
🎥 How Many Cameras Do I Need?
A quick starting count from your entrances and areas. Full quiz with coverage plan →
◎ Blind Spot Checker
Tick what's covered — we'll score the gaps.
🚗 License Plate Reality Check
Can a camera here actually read a plate?
🅿️ Parking Lot Security Checker
Score exterior and lot coverage.
Size the system
Storage, power & network
The technical checks that keep cameras online and recording — the stuff DIY installs usually get wrong.
⚡ PoE Power Budget
Will your switch actually power every camera? Full version with standards chart →
📶 Wi-Fi Reliability Check
Safe for Wi-Fi, or does it need wired PoE?
🧰 Cable Path Difficulty Estimator
How hard is the install likely to be?
📡 Rooftop TV Antenna Planner
Cutting the cord? See what antenna your roof needs. Open the full Ohio Antenna Pointer — live tower map →
🛰️ Point-to-Point Bridge Planner
Beam a network or camera link to another building.
For installers & pros
Camera specs & lenses
The pro-grade math CCTV installers use — pixel density, lens choice, and network load. Useful anywhere, dialed for Cleveland jobs.
🎯 Pixels-Per-Foot Calculator
Will you actually get a usable face or plate? Full version with PPF chart →
🔎 Lens Focal Length Calculator
What lens (mm) fills the view you want? Full version with lens guide →
📈 Camera Bandwidth Calculator
How much network does your system need? Full version with bitrate chart →
AV & displays
TV, projector & video wall
Hi-Tech does AV too — size a TV, a projector image, or an LED video wall before you buy.
📺 TV Size & Viewing Distance
What size TV fits your room?
📽️ Projector Throw & Screen
How big an image will your projector make?
🧱 Video Wall Builder
Size an LED video wall from panels.
Access, alarms & security
Doors, sensors & hardening
Plan access control and alarms — and find out whether your existing cameras are exposed.
🔑 Door Access Planner
What kind of entry should you plan for?
🚨 Alarm / Sensor Coverage Planner
A starting sensor list for your space.
🛡 Physical Security Health Check
Score your whole setup and get top fixes.
🔓 Camera Security Risk Quick-Check
Could your existing cameras be hacked?
Also on the site
Full calculator pages & downloads
Each calculator also has its own full page with a reference chart, worked examples and FAQs.
🎯
Pixels-Per-Foot Calculator
Full page with the PPF reference chart — will a camera actually read a face or plate?
Open it▤
NVR Storage Calculator
Full page with a drive-size chart and H.264 vs H.265 guidance.
Open it🔎
Camera Lens Calculator
Full page with a common-lens guide and field-of-view degrees.
Open it⚡
PoE Calculator
Full page with the 802.3af/at/bt standards chart and the night-reboot trap.
Open it📈
Camera Bandwidth Calculator
Full page — network, NVR uplink and remote-viewing upload speed.
Open it🔢
How Many Cameras Do I Need?
Full page quiz with a per-area breakdown for homes and businesses.
Open it📡
Ohio Antenna Pointer TV tuner
The full TV & radio tuner — live tower map, 3D view, true + magnetic bearing, terrain line-of-sight check, NextGen badges and a printable channel list.
Open it🖼️
Full Blind Spot Checker
The expanded interactive version with a live coverage meter, top weak areas, and example camera-view photos on a coverage map.
Open it🗺
Coverage Planner
Zone-by-zone checklist for entrances, exterior, interior and system health.
Open it✓
Printable Checklists
Blind-spot, business-walkthrough and CCTV-mistake cards to print or save as PDF.
Get the checklistsThe fun bonus · not a camera tool
Free installer review
Done with the tools? Send us the plan
We'll mark blind spots, night angles, storage and wiring — free. Serving Cleveland, Akron, Canton and Northeast Ohio.