WTF - A smart engineering cheat-sheet

In plain words

WTF is an engineering reference tool designed as a smart cheat-sheet for professionals and students. It helps users quickly find and understand common engineering formulas and concepts. The tool stands out by organizing complex technical information in an accessible format, making it useful for anyone who needs to look up engineering calculations without having to search through textbooks or manuals.

written from the facts on this page · September 2026

• 
  01100010.wtf2022 · ▲77

  A text to binary converter made by ChatGPT

• 
  WTFUtil2019 · wtfutil.com · ▲103

  The personal information dashboard for your terminal.

• 
  mails.wtf2018 · mails.wtf · ▲163

  Find anyone's email in seconds! 🔍📧

• 
  mails.wtf 2.02020 · salesblink.io · ▲243

  Full stack cold outreach platform

• GW
  Glance.wtf2014 · glance.wtf · ▲23
• 
  TheInternet.wtf2017 · apps.apple.com · ▲124

  Trending social media stories in an iOS app ♥️

• 
  SimCity, but with Permits▲892

  A free city-building game in your browser. You are the mayor. You know what the city needs. Now get it past the zoning board, the neighbors, the appeals court and the next election.

  Life & fun · 1d ago · permit.petercai.com

• IV
  I've been paying for a rural Tanzanian's education for 10 years▲778

  Life & fun · 13d ago · tanzaniaeducationproject.org

• 
  Bigwords.page – Turn any screen into a sign. The URL is the app▲728

  Turn a phone, tablet or TV into a sign. Type a message and it fills the screen: welcome signs, timers, Wi-Fi passwords and more. No app, no account, free.

  Life & fun · 14d ago · bigwords.page

• 
  Guitoro, a virtual guitar you strum with your keyboard▲573

  Play a free virtual guitar online with your keyboard or by touch. Slow songs down and see every chord, string and strum. Acoustic, classic, electric and bass.

  Life & fun · 8d ago · guitoro.com

• 
  See *almost* any carriers phone settings▲432

  Carrier settings from iPhone, Pixel and Galaxy firmware, decoded and compared: APNs, VoLTE, 5G and Wi-Fi Calling per carrier, and what each build changed.

  Life & fun · 12d ago · carrierexplode.com

• 
  The whole Solar System and every tracked satellite, live in the browser▲407

  Life & fun · 22d ago · space.bl2.net

• 
  Admin Portal (by WorkOS)▲1,408

  Pre-built wizard for configuring Single Sign-On (SSO/SAML)

  Dev tools · 2020 · workos.com

• 
  Sidekick Browser▲1,050

  A productivity browser for becoming focused and unstoppable

  Work · 2020 · perplexity.ai

• 
  PFPMaker▲1,027

  Create an awesome profile pic from any photo

  Growth · 2020 · pfpmaker.com

• 
  Screenity▲878

  The most powerful screen recorder for Chrome

  Dev tools · 2020 · chromewebstore.google.com

• 
  Notion Timeline▲778

  Plot all your projects chronologically

  Work · 2020 · notion.so

• 
  I Rebuilt MySpace from 2007▲726

  SpaceHey is a retro social network focused on privacy and customizability. It

  Life & fun · 2020 · spacehey.com