Diff.io

In plain words

Diff.io is a tool for comparing and analyzing differences between items or documents. Launched in 2015, it helps users identify changes and variations across different versions of content. The platform serves individuals and teams who need to track modifications, spot inconsistencies, or understand what has changed between two versions of something. It's designed for straightforward comparison tasks without unnecessary complexity.

written from the facts on this page · September 2026

• AN
  A new way to diff websites2015 · diffd.com · ▲46
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  data-diff2022 · github.com · ▲63

  Compare tables of any size across databases

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  PDF-Diff - Visualize any differences between two PDFs2022 · github.com · ▲169

  A tool for visualizing differences between two pdf files. - serhack/pdf-diff

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  Diff2019 · getdiff.app · ▲90

  Prototype and share changes to your site with no coding

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  What The Diff2022 · whatthediff.ai · ▲188

  Your AI-powered code review assistant

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  API Diff2022 · api-diff.io · ▲161

  Diff two API versions in seconds and see what has changed

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  SimCity, but with Permits▲882

  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 · 22h 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

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  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

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  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

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  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

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

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

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  Startup Launch List▲1,251

  A​rticles you need to read before launching a startup.

  Growth · 2015 · startuplaunchlist.com

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  Clearbit Company Logo API▲693

  Get any site's company logo with just a URL

  Dev tools · 2015 · clearbit.com

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  Product Hunt Games▲686

  The best new games, every day

  Life & fun · 2015

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  Coverr▲584

  Beautiful, free videos for your homepage background.

  Work · 2015 · coverr.co

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  SLIDE▲563

  A hoverboard by Lexus (no joke)

  Life & fun · 2015

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  Lapa Ninja▲560

  The Best Landing Page Inspiration

  Work · 2015 · lapa.ninja