The fastest free percentage calculator

What it does

Most percentage calculators make you choose which type of calculation you need. Percentfast handles all of them — what is X% of Y, X is what % of Y, percentage increase/decrease — all on one page, updating in real time as you type. No submit button, no friction.

• 
  Percentage Calculator2021 · percentagecalc.org · ▲90

  The percentage calculator to make your life easier

• 
  Perfect Percentage Calculator2025 · calculatequick.com · ▲17

  Calculate percentages with no cognitive load

• 
  Easy Percentage Calculator2025 · easypercentcalculator.com · ▲7

  Simple percentage calculator: work out X% of Y, one number as a percentage of another, and percentage increase or decrease. Free, fast, no sign-up.

• 
  Percentages2019 · percentages.io · ▲110

  Easy to use percentage calculator

• 
  Percentage CalculatorMay 2026 · sqrtcalculator.com · ▲4

  Instant percentage calculations with step-by-step solutions

• 
  Percentage CalculatorJun 2026 · toollaunchhub.com · ▲2

  Calculate Percentages Instantly & Easily

• 
  Lofi Cities – Pixel-art city nights with browser-generated lofi▲319

  Endless lofi beats composed live in your browser, over pixel-art nights in Paris, Tokyo, New York, Hong Kong, Sydney, San Francisco and more. Free, no sign-up.

  Work · 26d ago · loficities.com

• 
  Smooth Recorder▲257

  Mac screen recordings that look edited when you hit stop

  Work · 20d ago · smoothrecorder.com

• 
  Figma Specs▲225

  A container for your context that lives on the Figma canvas

  Work · 4d ago · figma.com

• 
  The rarest tech books and docs you've probably never read▲190

  Work · 14d ago · readrare.com

• 
  Brew ▲900

  Like Claude design for email marketing

  AI · May 2026 · brew.new

• 
  Kilo Code for VS Code▲896

  Parallel agents, diff reviewer, and multi-model comparisons

  Dev tools · May 2026 · kilo.ai

• 
  StoreClaw▲806

  Grow your store profits with agents that know how to sell

  AI · May 2026 · storeclaw.ai

• 
  PollyReach▲795

  Give your agent a real number and voice to make calls.

  AI · May 2026 · pollyreach.ai

• 
  Needle: We Distilled Gemini Tool Calling into a 26M Model▲776

  Hey HN, Henry here from Cactus. We open-sourced Needle, a 26M parameter function-calling (tool use) model. It runs at 6000 tok/s prefill and 1200 tok/s decode on consumer devices. We were always frustrated by the little effort made towards building agentic models that run on budget phones, so we conducted investigations that led to an observation: agentic experiences are built upon tool calling, and massive models are overkill for it. Tool calling is fundamentally retrieval-and-assembly (match query to tool name, extract argument values, emit JSON), not reasoning. Cross-attention…

  Life & fun · May 2026 · github.com

• 
  Files.md – Open-source alternative to Obsidian▲730

  🌱 Private, quiet space for thinking. Simple app for .md files. - zakirullin/files.md

  Dev tools · May 2026 · github.com