Tooleek vs Online Ruler

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

Tooleek compared with Online Ruler
Detail	Tooleek	Online Ruler
What it does	Free online tools that run in your browser	Measure anything on your screen with pixel-perfect accuracy
Stage	Not given	Not given
Founded	Not given	Not given
Based in	KR	Not given
Pricing model	Free	Free
Pricing	All tools are free. Optional AI features have free-request limits.	Not given
Key features	Image compression and conversion (HEIC to JPG, resize, blur, GIF creation) PDF tools (merge, split, rotate, convert to/from JPG, compress, watermark) QR code and barcode generation and scanning Unit converter with BMI calculator and multiple conversion types Word counter and text tools (case, lines, dev, password, lorem, Korean names) Timer, stopwatch, alarm, metronome and calendar tools Typing tests in multiple languages with key drills Reaction and memory tests including aim trainer, chimp test, snake game Puzzles including sudoku, solitaire, gomoku and minesweeper Random generators (wheel, ladder, coin flip, dice, brackets)	Smart Auto-Detect identifies your device from a database of 100+ profiles Three calibration methods: auto-detect, screen diagonal, and credit card Place rulers on any edge of the screen in any combination Click-to-measure distances in any direction Live cursor position tracking Dark mode with automatic system preference detection Support for four measurement units: cm, mm, inches, and pixels
What makes it different	Runs entirely in browser with no file uploads to servers No sign-up or account required Completely free with ads supporting operations Available in five languages History and preferences stored locally in your browser only	No installation required—runs entirely in your web browser Achieves near pixel-perfect accuracy typically within 0.5mm for well-calibrated screens Completely free with no ads, account, or limitations Calibration saved locally so no need to recalibrate on each visit Works on tablets and mobile devices with touchscreen support
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	1 no change since last check
Trust Flow (Majestic)	5	0
Citation Flow (Majestic)	17	17
Referring domains (Majestic)	9	4

4 details filled in for both companies.

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