12 tools · no sign-up · nothing leaves your browser

Small tools for the ten-minute tasks you do every day.

Count words, check your BMI, compress an image, generate a password — Toolbench runs entirely in your browser, so nothing you type or upload is ever sent to a server.

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Tools

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Word & Character Counter

Live word, character, sentence and reading-time counts as you type.

 text

Case Converter

Switch text between UPPERCASE, lowercase, Title Case and Sentence case.

 calculator

Age Calculator

Find your exact age in years, months and days from any birth date.

 calculator

BMI Calculator

Estimate body mass index from height and weight, in metric or imperial.

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Percentage Calculator

Work out percentages, percentage change and what-percent-of problems.

 generator

QR Code Generator

Turn any link or text into a downloadable QR code, generated locally.

 generator

Password Generator

Create strong random passwords with adjustable length and character sets.

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Image to Base64

Convert an image into a Base64 string for embedding directly in code.

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Image Compressor

Shrink image file size in your browser, with a quality slider and preview.

 converter

Unit Converter

Convert length, weight and temperature between metric and imperial units.

 converter

Color Picker & Hex/RGB Converter

Pick a color and get its HEX, RGB and HSL values instantly.

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PDF Word Counter

Upload a PDF and get an instant word and character count, no server storage.
100% client-side — most tools process everything on your device No account — every tool is free and open, no login wall Updated regularly — new tools and guides added every week

From the blog

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Coming soon

Guides on getting more done with simple tools

We're writing our first batch of articles now — practical, tested guides tied to the tools above.

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How these calculators actually work

Plain-language explanations of the formulas behind BMI, percentages and unit conversions.

Coming soon

Student tips using everyday calculators

Short, real-world walkthroughs for using Toolbench's calculators and converters for schoolwork.