Browse our free online tools for everyday tasks, from measuring a room and planning decorating materials to counting text, creating a password and checking an image. There is no sign-up: open a tool, enter your details and get the result in your browser.
Home & Living
Paint Calculator
Work out paint quantities from room dimensions, coats, doors and windows.
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Wallpaper Calculator
Estimate wallpaper rolls with pattern repeat, trimming and openings allowed for.
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Flooring Calculator
Calculate flooring area, waste, boxes to buy and estimated material cost.
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Room Area Calculator
Find floor area and perimeter for rectangular, round, triangular and L-shaped rooms.
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Home Renovation Budget Calculator
Add materials, labour and other costs, then include a contingency for the total.
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Word Counter
Count words, characters, sentences and paragraphs, with reading and speaking times.
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Character Counter
Count characters with or without spaces and check your text against set limits.
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Password Generator
Generate a strong random password locally, with length and character controls.
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Image Size Calculator
Inspect image dimensions and file details, then calculate proportional resize sizes.
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About Our Tools
Every Zenith Compass tool is free to use and works in your browser. For the text and image tools, no data is sent to a server: your words and files stay on your device. Calculator results are estimates to help you plan and compare options, so check product details, measurements and professional quotations before buying or starting work.