Utility Tools — Free Online Calculators

What it does

A growing collection of free online calculators and utility tools for everyday tasks. Fast, simple, and easy to use — with no signup required.

Free, simple online calculators and utility tools.

Quick, straightforward calculators and utilities that give you the answer without unnecessary steps. Calculate percentages, percentage changes, and common percentage problems. Calculate GST amounts and prices including or excluding GST. Count words, characters, sentences, and paragraphs instantly. Estimate fuel costs for a journey using distance and mileage. Estimate returns and future value from regular SIPfrom orangescar03.github.io

• 
  Online Calculator Tools20d ago · onlinecalculatortools.com · ▲1

  150+ free calculators for everyday decisions

• 
  Percentage Calculator2021 · ▲90

  The percentage calculator to make your life easier

• 
  ToolSunny27d ago · toolsunny.com · ▲2

  Free calculators, converters, generators and templates

• 
  Online Calculators & Tools17d ago · onlinetool.me · ▲1

  Free online calculators for education, finance

• 
  Toolkit — Free Online Tools30d ago · mytoolkit-app.netlify.app · ▲1

  Free everyday tools that run in your browser

• 
  Fine Calculators6d ago · finecalculators.com · ▲1

  Fine Calculators online tools for quick,simple,and everyday

• 
  Dograh▲592

  The open source VAPI alternative

  Dev tools · 25d ago · dograh.com

• 
  Meridian▲530

  Don't let your work go unnoticed. Get promoted!

  Dev tools · 20d ago · meridiona.com

• 
  x1▲516

  Lovable for iPhone apps go from idea to App Store

  Dev tools · 11d ago · x1.new

• 
  The GTM Co-Founder▲402

  Open-source GTM skills for technical founders

  Dev tools · 29d ago · gtmcofounder.com

• 
  Open-Source eInk Bike Computer▲388

  OpenTrailPaper is open-source bike computer firmware for the LilyGO T5S3 4.7" E-Paper PRO. It supports offline maps, GPX routes, FIT recording and Bluetooth sensors.

  Dev tools · 1d ago · opentrailpaper.com

• 
  Nuphos▲380

  The AI-Native DevOps Workspace.

  Dev tools · 24d ago · nuphos.ai

• 
  Open-Source eInk Bike Computer▲388

  OpenTrailPaper is open-source bike computer firmware for the LilyGO T5S3 4.7" E-Paper PRO. It supports offline maps, GPX routes, FIT recording and Bluetooth sensors.

  Dev tools · 1d ago · opentrailpaper.com

• 
  Running 104GB Qwen3.8-Flash-Next on 48GB Mac with at ~12 tok/s▲237

  Run Qwen3.8-Flash-Next (125B MoE, 104 GB at 4-bit) on Macs with a fraction of that RAM by streaming experts from SSD. MLX + Swift, Ollama-compatible API. - carloslfu/slotstream

  Dev tools · 4d ago · github.com

• 
  TERMy – A fast terminal assistant that does not use LLMs▲187

  NPC-Forge is a framework for building conversational agents that run on the CPU without relying on machine learning or LLMs. - NPC-Forge/docs/development.md at main · gioblu/NPC-Forge

  AI · 2d ago · github.com

• 
  Weedout – Safari extension that hides YouTube AI-labeled videos▲182

  Weedout is a Safari extension that filters out videos YouTube labels as “Made with AI”.

  AI · 4d ago · masteranza.github.io

• 
  HN Match Maker – Matching "Who Wants to Be Hired?" With "Who's Hiring?"▲123

  Find your next hire or your next role from Hacker News monthly threads. AI-powered matching between candidates and job postings.

  AI · 4d ago · hnmatchmaker.com

• 
  OwnTime – a chess clock for your day's priorities▲111

  I made OwnTime to balance between competing priorities in my life. The idea is based on two main influences: the concept of "roles" from "The 5 Choices" (2015), and my repeated failure to effectively implement time blocking due to the necessary flexibility in my role. The app allows you to define time budgets, which are not much more than a few mutually exclusive countdown timers. The UX is essentially that of a chess clock for an arbitrary number of players with configurable time. The whole point of the app is to kick you out of the running role/priority when its time is up. One…

  Life & fun · 4d ago · owntime.app