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Hardness
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Hardness

github.io·Other productivity

Hardness is a professional tool designed for mechanical engineers, materials scientists, and workshop technicians to convert between multiple metal hardness scales. It offers offline functionality, compliance with ASTM and ISO standards, and features like tensile strength estimation. The app is available on web, desktop, and mobile platforms.

Freemium
WebmacOSWindowsiOSAndroidCloud-managed
H
Hardness preview
Visit github.io↗

Overview

6 features

In the Other productivity space, Hardness takes a focused approach. It focuses on converting between different metal hardness scales quickly and accurately for engineering tasks. It is built as a consumer product for mechanical engineers and materials scientists. There is a free tier. Hardness is available on the web, macOS, Windows, iOS, and Android.

Hardness App builds and maintains Hardness, and the product first shipped in 2023. Key capabilities include hardness conversion, offline mode, and dark mode.

  • ✓Hardness conversion
  • ✓Offline mode
  • ✓Dark mode
  • ✓Tensile strength estimation
  • ✓Multi-scale support
  • ✓Standard compliance

Tags

hardness-conversionengineering-toolmaterials-testing

Built with & integrations

Runs on
BrowsermacOSWindowsiOSAndroidCloud-managed

Trust & compliance

LicenseProprietary
Verified signals
✓ HTTPS✓ Free tier

Recent events

Latest indexed changes and source events

  1. IndexedJul 6, 3:09 PM

    Listing verified by the PulseGate indexer

    Source: PulseGate indexerOpen ↗

Frequently asked questions about Hardness

What does Hardness do?
Hardness focuses on converting between different metal hardness scales quickly and accurately for engineering tasks. It is catalogued under Other productivity on PulseGate.
Who is Hardness for?
Hardness is a consumer product built for mechanical engineers and materials scientists.
Is Hardness free?
Yes — there is a free tier, with paid plans for advanced use.
What platforms does Hardness run on?
Hardness runs on the web, macOS, Windows, iOS, and Android.
Is Hardness still maintained?
PulseGate's liveness checks currently classify Hardness as active.
What are alternatives to Hardness?
Similar tools tracked by PulseGate include HEACalculator, Metallurgical Calculator, and Metal Weight Calculators.HEACalculatorMetallurgical CalculatorMetal Weight Calculators
Who makes Hardness?
Hardness is developed by Hardness App.
When did Hardness launch?
Hardness first shipped in 2023.

At a glance

Pricing
Freemium · pricing page detected · free tier
Platforms
Web
Languages
English
First seen
Jan 19, 2023
Activity
🟢 Active
Status
🟢 Active
Built for
mechanical engineers and materials scientists
Model
B2C
Solves
Converting between different metal hardness scales quickly and accurately for engineering tasks.

Developer

Hardness App

Live coverage

Confidence
Medium · 73
Indexed
Jul 6, 2026
Lifecycle
Alive
Activity
Active
First seen
Jan 2023
Last seen
2w ago
Identity audit (9)
Entity ID
cmr9cwfet0dl88cf0zjohipct
Slug
hardness-professional-metal-hardness-converter-github-io
Verification state
Indexed for public listing
Claim / listing state
Unclaimed · listed: yes
Index status
Included in index
Latest evidence snapshot
Jul 6, 2026
Timeline basis
Indexed-at chronology (no inferred launch/funding milestones).
Last updated
Jul 13, 2026
Canonical URL
https://jllyzzd.github.io/apps/hardness/web

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  • Ağırlık Hesaplama
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  • EasyUtilityHub
    easyutilityhub.com