Tools

Free tools, no account.

Single-purpose calculators and references. Everything runs in your browser. Nothing uploaded, nothing stored, nothing to install.

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The full list.

01 CardPacket American Express statement processor. Auto-match Amazon charges, import PDF invoices, export expense reports. All client-side, no account. Expenses → 02 CaloCalc Ball-cratering thin film thickness calculator. One- and two-layer coatings, inch or mm input, results in µm and nm. Session logging with CSV export. Thin film → 03 Unit Converter Industrial unit conversions for pressure, temperature, torque, film thickness, viscosity, force, length, and surface energy. Built around real datasheets. Reference → 04 Tribology Reference Friction coefficients for material pairs and PVD/CVD coatings, Archard wear calculator, Hertzian contact mechanics, and lambda ratio lubrication regime tool. Tribology → 05 Deposition Reference Interactive periodic table for PVD and CVD work. Filter by sputtering, evaporation, ALD, or reactive gas role. Per-element process data and notes. Coatings → 06 Film Color Visualizer Predict interference colours for clear oxide films by thickness and density. Transfer matrix optics and CIE 1931 colour science. Includes a PVD coating colour reference. Optics → 07 Lens Lab Visual camera and lens optics simulator. Set sensor size, focal length, aperture, and focus distance for a live preview with accurate bokeh, depth-of-field zone, and field-of-view visualization. Optics → 08 PhotoRule Measure distances in photos using a reference line and real-world units. Optional four-point perspective plane corrects foreshortening on flat surfaces. Runs entirely in your browser. Measurement → 09 Email Cost Calculator True lifetime storage cost of a single email across recipients, backups, geo-replication, and retention periods. Compares on-prem, AWS, Azure, GCP, GovCloud, and more. Infrastructure →

Free to use, as-is. No warranty, no support. If one is wrong, tell us: info@vcnet.us

Why browser tools

Utility without installation.

Desktop software is the right choice when you need power, performance, and local data control. But some workflows just need a quick answer. That is what these are for.

01

No installation required

Open a browser, use the tool, close the tab. No setup, no IT approval for a calculator.

02

One thing, done well

Each tool does exactly what it is built for. No feature sprawl.

03

No data leaves your device

All computation runs in your browser. Nothing is sent to a server, and none of these tools has an account to sign in to.

Also from VCNet

Software we build.

01

Pixosight

Camera measurement for Windows

Measure dimensions directly from images. Connect any camera Windows recognizes, calibrate against a feature of known size, and read results in real-world units.

  • Windows 10 & 11
  • $39.99/mo
  • 30day trial
pixosight.com →
Pixosight measurement interface showing calibrated rulers and line measurements
02

illgati

Project outlining in the browser

A nested task list with dependencies, and nothing else. No boards, no sprints, no status taxonomy. Runs in your browser, with an optional account for syncing and sharing.

  • Browser no install
  • Free no account
  • Paid sync & sharing
illgati.com → Open the app →
illgati showing nested task cards with dependencies