Productive Toolbox
100 + productivity tools in one place
Productive Toolbox launched on April 9, 2026.
What it does
Discover 100+ free online tools including word counters, text formatters, image compressors, QR code generators, and more. No sign-up required, 100% free.
491 free online calculators and tools for electrical, architectural, mechanical, land and data work — plus everyday text, image and developer utilities. Runs in your browser. No sign-up.
Electrical, structural, mechanical, land and data tools built for real work — plus everyday text, image and developer utilities. Open it, get your number, close the tab. Most tool sites stop at a word counter. These are the areas where the library goes deep. Load, voltage drop, cable sizing, protection and power quality. Every tool, sorted by subject. Counts are live from the catalogue. A calculator you can't verify is a guess with extra steps. Here's how these are built. Calculations happen locally on your device. Your inputs are not uploaded or stored on our servers. All 491 tools open instantly. No sign-up wall, no trial timer, no credit card. Every calculator states the method it uses,…from productivetoolbox.com
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Source: Product Hunt launch ↗
Launched alongside, April 2026
the whole month →
- AG
Thought the resources for GPU arch were lacking, so here we are
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