Every instrument the Hub has ever forged.
1177+ free tools across 18 categories — calculators, converters, developer & data utilities, a full 80-console AI & semiconductor suite, and bespoke Pro editions. No signup, no paywall.
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AI & Semiconductor suite
80 bespoke engineering consoles across 8 disciplines — chip economics, packaging, thermals, yield, AI hardware, architecture, supply chain & careers.
Semiconductor Economics
Model the money behind the silicon
Packaging & Assembly
From bare die to finished package
Thermal & Power
Keep the heat and the volts in budget
Yield & Process Engineering
Turn defects into learning curves
AI Hardware & Accelerators
Size, cost and compare the compute
Design & Architecture
Explore the PPA trade-space early
Supply Chain & Geopolitics
Map the risk before it maps you
Career & Industry Intelligence
Navigate a career in silicon
Pro tools
Hand-built, deeply-featured flagship tools — each its own bespoke experience.
Vigyan Bhairav Tantra
विज्ञान भैरव तन्त्रAll 112 meditation techniques (dharanas) of the Vijñāna Bhairava, restored to their source verses — with Sanskrit, IAST, English, a guided practice timer, daily dharana, mood picker, and a private journal.
Instagram Reel → SRT Converter
Turn any Instagram Reel or video/audio file into perfectly timestamped SRT, VTT, and TXT captions with on-device Whisper AI — 90+ languages, Hindi + English auto-detect, built-in cue editor. No upload, no signup, no watermark; your media never leaves the browser.
752+ farming & agriculture tools
Crop planning, soil & fertilizer, irrigation, livestock, crop protection, post-harvest and farm finance — 14 hubs of free calculators for farmers, agronomists and agribusiness worldwide.
24+ bulk image & file converters
Convert images to PNG, JPEG, WebP, AVIF, PDF, SVG and 18+ more formats — free, in bulk, no signup. Drop a batch, download a ZIP.
343 everyday instruments
Calculators, converters, developer, data, content & productivity tools — organized into 47 sub-categories. Jump straight in.
Technical Services
API documentation, database visualization, code analysis, and accessibility tools
Data & Analytics
Domain analysis, backlink gaps, social media tracking, and email deliverability
Niche Calculators & Tools
Carbon footprint, ROI calculators, compliance estimators, and technical debt assessment
Professional Calculators
Advanced calculators for automotive, construction, conversion, cooking, electrical, financial, health, math, pets, science, shipping, time, TV, and military calculations
AI & Semiconductor
Instrument-grade calculators for chip economics, packaging, thermal & power, yield engineering, AI hardware and silicon architecture.
Pro Tools
In-depth, practitioner-grade flagship editions — text-faithful references and premium utilities. Free, no sign-up, everything runs in your browser.
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