Are my inputs stored or shared with UtilHub?
Public tools process all calculations locally in your browser; inputs stay on your device and UtilHub never receives them. Premium workflows clearly identify when inputs are processed on servers.

Calculators · United Kingdom
The useful corner of the internet
Ahrefs Domain Rating set in type 6 Nov 2026, reset 4 Nov 2026.
A library of 123 free online calculators and tools for calculations, conversions, writing, coding, dates, images and everyday tasks, running directly in your

UtilHub UK is an independent library of online utilities for calculations, conversions and tasks that interrupt everyday work. It offers 123 free tools organized into 14 categories including money and business, marketing, home and lifestyle, writing and content, work and productivity, dates and time, travel and transport, health and wellbeing, learning and education, digital and media, shopping and decisions, developer tools, data and file tools, and security and privacy. All tools run locally in the browser without downloads or data transfer. Guests can run 3 public tools per day; free accounts allow 10 public tool runs. Premium subscription at £9 monthly provides unlimited access to all public tools and 20 advanced workflows.
Pricing model: Freemium
Free: 3 public tool runs per 24 hours as guest, 10 runs with free account. Premium: £9 per month for unlimited access to all 123 public tools and 20 Premium workflows. Business Starter: £99 per month including everything in Premium plus one hosted custom business tool and one small monthly update. B
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| Metric | Value |
|---|---|
| Domain Rating | 2 no change since last check |
| Trust Flow | 3 no change since last check |
| Citation Flow | 15 no change since last check |
| Referring domains | 3 no change since last check |
| External backlinks | 15 no change since last check |
Ahrefs Domain Rating set in type 6 Nov 2026, reset 4 Nov 2026. Lead topic: Society/Issues (3). Majestic set 4 Nov 2026, reset 4 Nov 2026. Link data typeset by Majestic. Trust Flow, Citation Flow and Topical Trust Flow are trademarks of Majestic-12 Ltd.
| Domain age | 6 months |
|---|---|
| Registered | |
| Expires | |
| Registrar | Realtime Register BV t/a Axidomains |
| DNSSEC | Not signed |
Measured after UtilHub UK went live on Zivaro Launch on 4 November 2026.
Day 1 since launch. Next receipt: day 30, 4 Dec 2026. These are measurements, not proof of cause: many things move these numbers. Figures we have not measured are left out.
Free tips from Zivaro Launch for getting ready, launch day, the week after and what to do next.
Public tools process all calculations locally in your browser; inputs stay on your device and UtilHub never receives them. Premium workflows clearly identify when inputs are processed on servers.
Premium at £9 per month provides unlimited use of all 123 public tools and 20 advanced Premium workflows, plus copy and file exports.
Yes, you can cancel anytime and access continues to the end of the paid period.
Business Starter (£99/month) includes Premium plus one hosted custom business tool with one small monthly update. Business Studio (£199/month) includes Premium plus up to three hosted business tools with two small monthly updates and priority scheduling.
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UtilHub UK has a free listing. The owner can unlock the full profile with a paid launch for $5:
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