Skip to main content

Built by makers, shipped in public

Sign in

Screen Size Checker vs Candid Tools

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 Candid Tools
DetailScreen Size Checker logo Screen Size CheckerCandid Tools logo Candid Tools
What it doesInstant screen resolution and viewport size checker for developers and designers Free browser tools for images, PDFs, audio and more that run entirely in your browser
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFree Free
PricingNot given All tools are free with no usage limits, no watermarks, and no features reserved for a paid plan.
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
  • All processing runs in browser with no file uploads required
  • No account or login required to use any tool
  • 125 different tools covering images, PDFs, audio, video, text and data processing
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
  • Files stay on your device instead of being uploaded to a server
  • Completely free forever with no paid tier or usage limits
  • No account creation or login required
  • Built by one developer focused on utility rather than growth metrics
  • Most tools run entirely client-side with no per-use server costs
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 check4 no change since last check
Trust Flow (Majestic)57
Citation Flow (Majestic)2528
Referring domains (Majestic)4428

4 details filled in for both companies.

More alternatives to Screen Size Checker More alternatives to Candid Tools

Ask us