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Screen Size Checker vs TheTextKit

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 TheTextKit
DetailScreen Size Checker logo Screen Size CheckerTheTextKit logo TheTextKit
What it doesInstant screen resolution and viewport size checker for developers and designers Free browser-based text, developer and math tools that run locally with zero server transmission
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFree Not given
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
  • Word Counter - count words including Chinese and Japanese with character counts
  • JSON Formatter - validate, pretty-print, and minify JSON
  • Case Converter - convert between multiple text casing formats
  • Loan Payment Calculator - calculate monthly payments and amortization schedules
  • Base64 Encoder/Decoder - encode and decode Base64 text
  • Readability Checker - score writing with Flesch Reading Ease and grade levels
  • GPA Calculator - calculate semester and cumulative GPA
  • Percentage Calculator - find percentages and percentage changes
  • UUID Generator - generate cryptographically random UUID v4 identifiers
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
  • 100% client-side execution with zero server transmission
  • No account required, no sign-up, and no artificial limits
  • Real-time instant execution with no latency
  • Ad-free and independent collection of utilities
  • Data never stored or logged on servers
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)2527
Referring domains (Majestic)442

3 details filled in for both companies.

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