CalcShack

What it does

40+ free online calculators for payroll, loans, home projects, health, and everydCalcShack is a clean collection of 80+ free online calculators for payroll, loans, home projects, health, and everyday math. No signup, no clutter — just instant answers.ay math. No signup, instant results.

40+ free online calculators for payroll, loans, home projects, health, and everyday math. No signup, instant results.

Fast, accurate tools for payroll, loans, home projects, health, and everyday math. No signup, results in seconds. See how much interest a certificate of deposit earns by its maturity date. Work out simple interest on a loan or investment using principal, rate, and time. Find out how long it will take to reach a savings goal with regular contributions. See how many months it takes to pay off a credit card balance with fixed payments. See what an amount today would cost in the future after inflation. Find the real annual percentage yield from a nominal rate and compounding frequency. See what percentage of your income goes to monthly debt payments. Project your retirement balance from your…from calcshack.com

• 
  Calculator.FreeJul 2026 · calculator.free · ▲8

  Calculator.Free offers 200+ free online calculators — mortgage, loan, income tax, BMI, percentage and more. Fast, accurate, mobile-friendly, no sign-up.

• 
  Real Online CalculatorJul 2026 · realonlinecalculator.com · ▲6

  75+ free calculators for finance, health, math & more

• 
  Free Online Calculators2025 · thecalcmenu.com · ▲6

  Finance, education, health & more | calculator hub

• 
  Calq.devNov 2025 · calq.dev · ▲7

  Free online calculators for everyday math and planning

• 
  CalculatorWizardMay 2026 · calcwizard.net · ▲3

  162 free calculators. No signup, no ads, no paywalls.

• 
  Free Online Calculators 2026Jun 2026 · usacalculator.com · ▲2

  20 free calculators for finance, health & everyday use

• TL
  The load-bearing vocabulary of Claude▲710

  Life & fun · Aug 2026 · louisabraham.github.io

• 
  Hey Noah▲656

  A proactive AI executive assistant for founders

  AI · Aug 2026 · heynoah.io

• 
  Clipto MCP▲655

  Hey HN, We recently built Clipto. It’s a tool that lets you search over terabytes of video, audio, and images on your computer, without relying on the cloud. Motivation: we probably all had this similar experience, we know a moment exists in a video or audio, but finding it takes hours scrubbing the timeline. You can send all the media to process in the cloud, but it’s slow, expensive and raises privacy concerns. So we decided to build our own on-device media search engine. How it works (high level): 1. We ingest video, audio, image; normalize formats via ffmpeg; run content analysis to…

  Work · Aug 2026 · clipto.com

• 
  Simple algorithm and color space to generate diverse skin tones▲627

  Hello HN! I found that picking out plausible but diverse skin tones for my digital art and game development projects was kind of difficult, and I got curious about if there was a way to define a color space that made it easy. I've built a color picker and procedural generation algorithm based on the space as well as a bunch of other fun js features and demos throughout the page that use the equations. If you find it interesting, I have lots of explanations of how I built it and what properties the space has. The methodology might be a bit shaky, but hopefully the result is as helpful for…

  Life & fun · Aug 2026 · toneyalexander.github.io

• 
  AdAnt AI▲620

  Claude for viral, high-converting social ads

  AI · Aug 2026 · adant.ai

• 
  Astute▲606

  Automate your B2B brand going viral, with new media creators

  AI · Aug 2026 · company-app.joinastute.com