UrlDiff – Simple visual regression testing

In plain words

UrlDiff is a visual regression testing tool for developers that compares website screenshots to detect visual changes. It helps teams identify unintended design alterations by automatically checking if web pages look different across versions or deployments. The tool is designed for developers and QA teams who need to catch visual bugs before they reach production, offering a straightforward approach to automated visual testing without complex setup.

written from the facts on this page · September 2026

• 
  VizDiff2025 · vizdiff.io · ▲110

  Hey HN, I built VizDiff, a streamlined visual regression testing tool specifically designed for Storybook components. I found existing services like Chromatic powerful, but often too feature-heavy or costly for smaller teams and bootstrapped startups. VizDiff simplifies automated screenshot testing—capturing component snapshots in CI, clearly highlighting pixel-level visual changes, and helping teams catch UI regressions before they reach production. My main goal was accessibility and ease of integration for small teams or solo devs who need effective visual testing without the overhead. I'd…

• 
  Lost Pixel – open-source visual regression testing for your frontend2022 · github.com · ▲90

  Hey! My name is Dima, I am from Ukraine and I am the co-founder of Lost Pixel! We built this tool to solve our problems at work and decided to open-source it so more people can build their custom visual regression testing pipelines! If you want to chat about the tool or visual regression testing in general I am super excited to meet like-minded people! Thanks a lot for checking out the product and I hope it will serve you well if you decide to try it out :D

• LP
  Lost Pixel Platform – visual regression testing for your front end2023 · lost-pixel.com · ▲56

  Easy to integrate and reliable visual regression testing cloud. Sleep better at night while shipping features.

• 
  TestSoothe2021 · testsoothe.com · ▲73

  Software testing tool to help you test software features

• 
  GitProbe2025 · gitprobe.com · ▲123

  Analyze and visualize codebases

• 
  URLdnMay 2026 · urldn.com · ▲21

  Track what actually drives your clicks

• 
  /dev/null▲481

  a social network for devs

  Dev tools · 2d ago · dev-null.sh

• 
  Whiteboard (YC W26) – an open-source IDE for thoughtful software design▲423

  open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.

  Dev tools · 27d ago · github.com

• 
  Reladraw – A diagram language where you decide where to place things▲411

  Contribute to reladraw/reladraw development by creating an account on GitHub.

  Dev tools · 25d ago · github.com

• 
  OpenBot▲362

  Grok Bot alternative: free, local, open-source, multiplayer

  Dev tools · 22d ago · openbot.run

• 
  Talanoa▲341

  Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…

  Dev tools · 20d ago · talanoa.email

• 
  CoreSpeed▲332

  One MCP for everything your agents need: apps, memory, tools

  Dev tools · 27d ago · corespeed.io

• 
  Hotjar▲1,312

  See how visitors are using your site and get visual feedback

  Growth · 2015 · contentsquare.com

• 
  Spot the Drowning Child▲1,215

  Can you spot the drowning child in this crowded wave pool? To the untrained eye, drowning looks like swimming. The Instinctive Drowning Response is frequently missed, even by people nearby.

  Life & fun · 2015 · spotthedrowningchild.com

• 
  Marketing Stack▲1,208

  A curated directory of marketing resources & tools

  Growth · 2015

• 
  Bocker – Docker implemented in 100 lines of bash▲662

  Docker implemented in around 100 lines of bash. Contribute to p8952/bocker development by creating an account on GitHub.

  Dev tools · 2015 · github.com

• 
  The Pitch▲561

  The podcast where early stage startups pitch investors

  Commerce · 2015 · thepitch.show

• 
  “Who is hiring?” Map▲546

  Guida completa ai siti scommesse americani 2026: scopri i migliori bookmaker USA, licenze, bonus, sport americani, metodi pagamento e consigli utili.

  AI · 2015 · whoishiring.it