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Screen Size Checker vs Gizmetto

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Screen Size Checker compared with Gizmetto
DetailScreen Size Checker logo Screen Size CheckerGizmetto logo Gizmetto
What it doesInstant screen resolution and viewport size checker for developers and designers Free browser tools for audio, display, device, image and measuring tasks that run instantly with no sign-up
StageNot given Startup
FoundedNot given 2026
Based inNot given Not given
Pricing modelFree Free
PricingNot given Not given
Key features
  • Screen Resolution Detection
  • Viewport Size Measurement
  • Device Pixel Ratio (DPR) Check
  • Operating System Detection
  • Browser Version Information
  • Touch Support Detection
  • User Agent String Display
  • Real-time Screen Analysis
  • Pitch detector to identify notes and frequency
  • Vocal range test to find voice type
  • Guitar, ukulele, violin and bass tuners
  • Speaker and headphone testing
  • Dead pixel and stuck pixel detection
  • Spectrogram and oscilloscope visualization
  • BPM detection and tempo finding
  • Chord and song key finder from audio
  • Camera, mouse and game controller testing
  • EXIF removal and image file conversion
What makes it different
  • Real-time detection of browser viewport, screen resolution and device specifications without installation
  • Helps developers create responsive websites that look great on all devices
  • Educational resources explaining CSS pixels versus physical measurements
  • Maintained as independent web tool kept fast, readable and useful
  • All tools run instantly in the browser with no sign-up or download required
  • Complete privacy: nothing is uploaded or stored, all processing happens on your device
  • Works on both phones and computers
  • Requests microphone and camera access only after you initiate
  • Uses Web Audio API for precise sound analysis without uploads
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)23 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)50
Citation Flow (Majestic)250
Referring domains (Majestic)440

4 details filled in for both companies.

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