Screen Tester logo

Screen Tester

For display users: Screen Tester runs 43 browser tests for dead pixels, color accuracy, and refresh rate so you catch monitor defects instantly.

Built by Abhishek Patil · Productivity · Free

Visit website

In category: #1038 of 1428 · Productivity

Screen Tester is a Community listing on Launch Llama with 2 upvotes from 2 founders, founded by Abhishek Patil who joined in Sep 2026, compared against 5 alternatives.

Community listing

Listing status

2upvotes

Community score

Abhishek Patil (Joined Sep 2026)

Founder

Launched on Launch Llama Sep 14, 2026 · #119 of 125 that day

Screen Tester

About

Screen Tester is a free, open, and privacy-focused suite of tools to test your display directly in your browser. It includes 43 tests covering dead pixels, color accuracy, brightness, contrast, ghosting, refresh rate, and more. Works on monitors, gaming displays, OLED screens, laptops, and TVs without requiring any downloads or installations.

Use Cases

  • Checking a newly purchased or used monitor for dead pixels, stuck pixels, and backlight bleed before relying on it
  • Diagnosing OLED or LCD burn-in and image retention on an existing display
  • Testing a monitor's refresh rate, ghosting, and motion response before gaming

Who it is for

  • Buyers inspecting used or refurbished monitors, laptops, or TVs before purchase
  • Gamers and gaming-display owners checking refresh rate and motion performance
  • Designers and photographers checking color banding, gamut, and grayscale on their screens

Pricing

Screen Tester is free to use. See the website for details.

View Screen Tester pricing →

Screen Tester at a glance

01What it is
Screen Tester: For display users: Screen Tester runs 43 browser tests for dead pixels, color accuracy, and refresh rate so you catch monitor defects instantly.
02Pricing
Screen Tester pricing: Free.
03Best for
Screen Tester is best for buyers inspecting used or refurbished monitors, laptops, or TVs before purchase, gamers and gaming-display owners checking refresh rate and motion performance and designers and photographers checking color banding, gamut, and grayscale on their screens.
04Alternatives
Top Screen Tester alternatives on Launch Llama: Screen Issues, FPS Test and Screend.

Alternatives

More in Productivity

All Productivity tools

New on Launch Llama

Launched this week · This month's launches · All products A–Z

Tags

#dead pixel test#color accuracy#monitor testing#refresh rate check#ghosting test#oled screen#browser based#display diagnostics

Ask AI about Screen Tester

ChatGPT Claude Perplexity Grok

Supporters

2 founders

2 founders contributed 2 upvotes to Screen Tester on Launch Llama.

For bots & AI agents

Machine-readable versions of Screen Tester and Launch Llama. Fetch these instead of parsing this page.

This listing (.md) llms.txt llms-full.txt ai.txt Full catalog (.md) Endpoint index API docs MCP server MCP manifest Developer docs