Online Ruler vs Xplosole

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

Online Ruler compared with Xplosole
Detail	Online Ruler	Xplosole
What it does	Free on-screen measuring tools that run in your browser	Free PDF, image and text tools, calculators and AI writing tools — all free, no signup.
Stage	Not given	Startup
Founded	Not given	2026
Based in	Not given	Not given
Pricing model	Free	Free
Pricing	Not given	All tools are free with no usage limits, no premium tiers, and no credit card required.
Key features	Actual-size ruler in cm, mm and inches Bank-card and screen-diagonal calibration Top, left and right rulers with drag-to-measure readout Full-screen mode and browser-zoom warning Image measurement tool Length unit converter Touch dragging support for phones and tablets Local storage of calibration without server uploads	Not given
What makes it different	Calibration step compensates for browsers' inability to detect physical display size ISO/IEC 7810 ID-1 standard bank card calibration ensures reproducible accuracy All calculations run locally in your browser with no data sent to servers Works on any device with a browser and JavaScript enabled Content follows standards-based principles with no invented precision or fake reviews	All tools run in your browser with no signup or file uploads to servers Instant processing with no server round-trip for browser tools Completely free with no hidden fees, premium tiers or credit card required Works offline after initial use and on any device Privacy-first approach with AI tools never storing or training on user data
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	4 no change since last check
Trust Flow (Majestic)	2	6
Citation Flow (Majestic)	18	22
Referring domains (Majestic)	10	6

3 details filled in for both companies.

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