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Compubility

Facilitating the web, one tool at a time.

We build small, useful web tools — and bespoke websites and services for teams who want something a little more personal than a template.

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What we do

Free in-browser utilities for everyone, bespoke digital products for teams who want something tailored, reliable microservices that quietly do the heavy lifting, and a dedicated practice for public-sector work.

Free web tools

A growing collection of single-purpose utilities — picker wheels, encoders, password generators, contrast checkers, and more. No accounts, no ads, no hidden upsells.

Browse tools

Custom websites & products

Marketing sites, internal tools, integrations, and bespoke digital products designed and built to fit your brand and your goals.

Submit a request

Microservices

Reliable, focused backend services and APIs that slot into your existing stack — so your team can ship features instead of plumbing.

Discuss your needs

Governmentseparate site

Public-sector engagements, compliance-aware delivery, and procurement-ready services. Visit our dedicated government site for capability statements and contracting details.

Visit Compubility Gov

Why people like building with us

  • Privacy-respecting

    Our free tools run entirely in your browser. Nothing is uploaded, logged, or shared.

  • Fast and focused

    Small, single-purpose utilities that load instantly and do one thing well.

  • Accessible by default

    Keyboard navigation, semantic markup, and reduced-motion support are non-negotiable.

  • Made with care

    Built by humans who use the web every day and want it to feel a little nicer.

More from us

ArithmaiOS app

A math crossword puzzle game we designed and built. Sharpen your skills, track your progress, and compete with friends — available on the App Store.

View on the App Store

Our blog

Articles on building accessible, performant web experiences — and the occasional behind-the-scenes look at how we build the tools you see here.

Read the blog

QR Generatorseparate app

Create QR codes in a snap. Free to generate, with optional paid extras like custom designs and print-to-order.

Open QR Generator

Have an idea? We'd love to hear it.

Whether you want a tool added to the lineup or a custom project built from scratch, we read every message.

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