Logic App Labs, LLC

Software with Logic.

We design, develop, and compile high-performance utility ecosystems and SaaS solutions for creators, steel estimators, and developers.

Our Labs & Platforms

Explore our specialized software branches built with precision and speed in mind.

SaaS Products

Commercial tools for real workflows. DinnerLogic (Meal OS) is the household meal planner; PaintLogic estimates structural steel coating and shipping weight.

Explore Products →

SawdustLogic

A collection of 12 custom woodworking tools including a drag-and-drop Visual Cut Planner, stock-saving Lumber Optimizer, Shaker Cabinet Door and Drawer Box calculators, and the Shelf Sagulator deflection checker.

Open Workshop →

StructLogic

A toolbox of 16 structural steel layout and takeoff utilities including an AISC Shape Lookup database, Bolt Grip & assembly weight estimators, Stair layout calculator, and Fillet Weld strength checks.

Open Toolbox →
ConvertLogic — File Conversion

100% Private, Client-Side File Converters

Need to convert configs, images, or media files quickly? Try our suite of 40 free, client-side tools. Files are processed entirely in your local browser sandbox. Zero file uploads, zero server logs, absolute privacy.

Open Free Converters → Upgrade to ConvertLogic Pro — offline desktop + ad-free web → 40 tools available — YAML, JSON, PNG, WebP, WAV, MP4, PDF & more
CalculateLogic — Everyday Math

100% Private, Client-Side Calculators

Margin, salary, mortgage, TDEE, auto loan, compound interest, and 28 more — all free calculators that run entirely in your browser. No file uploads, no accounts, no data retention.

Open Free Calculators → Upgrade to CalculateLogic Pro — offline desktop + ad-free web → 33 calculators available — finance, health, automotive, real estate & more
Logic App Labs Charts — Data Visualization

100% Private, Client-Side Chart Makers

Paste CSV data to build line, bar, area, pie, waterfall, combo, scatter, histogram, funnel, and Sankey charts instantly. Download high-res PNGs for your pitch deck. Zero uploads, zero accounts, absolute privacy.

Open Free Chart Makers → Upgrade to ChartsLogic Pro — ad-free web + desktop when available → 10 chart makers available — line, bar, area, pie, waterfall, combo, scatter, histogram, funnel, Sankey
Logic App Labs Dev — Developer Utilities

100% Private, Client-Side Dev Tools

Format JSON, decode JWTs, generate passwords, preview Markdown, and more — all in your browser. No uploads, no accounts, absolute privacy for everyday engineering tasks.

Open Free Dev Tools → Upgrade to DevLogic Pro — ad-free web + desktop when available → 23 tools available — formatters, security, DevOps, CSS design & more

Pro pricing: $19 for the first license, $10 for each additional in a suite pack.

Logic Pro Complete — all four for $49 (save $27) → Trio (Convert + Calculate + Charts) — $39 → Convert + Calculate Suite — $29 →

Built on Precision Engineering

Zero Bloat

Our web apps load instantly. We avoid tracking pixels and heavy frontend javascript framework overhead, utilizing optimized static assemblies.

Verified Logic

Every layout layout, structural weld calculation, and lumber optimization utilizes officially standards-compliant mathematical formulations (AISC, SMACNA, SJI).

Mobile First

Run calculations directly from the lumber yard or steel detailing workbench. All layouts are fully responsive across phones, tablets, and desktops.