Number 1: 
BetaConvert
Online unit converter for everyday use
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Calculators · United Kingdom
Oddjobby
Free browser tools for PDF, image and UK money tasks that process files locally
- Community votes
- 0
- DR by Ahrefs
- 0 no change since last check
Ahrefs Domain Rating benchmarked 28 Oct 2026, rebuilt 28 Oct 2026.
Merge PDFs, convert images and calculate UK take-home pay without uploading files. All tools run in your browser.
What it is
Oddjobby provides free tools for everyday tasks: merging and splitting PDFs, converting between image formats like HEIC, JPEG, PNG and WebP, and calculating UK take-home pay with current tax rates. The site also includes calculators for stamp duty, VAT, mortgages, loans, capital gains tax and student loans, along with converters for clothing sizes, shoe sizes, weights, distances and temperatures. Every calculation and file conversion runs in your browser without uploading anything to a server.
The site is run by Ian, who built it to provide a single place for these common tasks with accurate UK tax figures sourced from HMRC and GOV.UK. The money calculators use rates published by the government and are reviewed after each Budget and rate change. All tools are illustrations rather than official tax advice, and users can verify results against official sources linked on each page.
What it is built with
- PDF merging and splitting
- Image conversion between HEIC, JPEG, PNG and WebP
- UK take-home pay calculator with income tax and National Insurance
- Stamp duty calculator for England and Northern Ireland
- Size converters for clothing, shoes, bra and ring sizes
- VAT, mortgage and loan calculators
- All tools run locally in the browser without uploading files
Pricing
Pricing model: Free
Oddjobby metrics
| Metric | Value |
|---|---|
| Domain Rating | 0 no change since last check |
| Trust Flow | 0 no change since last check |
| Citation Flow | 17 no change since last check |
| Referring domains | 3 no change since last check |
| External backlinks | 114 no change since last check |
Ahrefs Domain Rating benchmarked 28 Oct 2026, rebuilt 28 Oct 2026. Majestic benchmarked 28 Oct 2026, rebuilt 28 Oct 2026. Link data built by Majestic. Trust Flow, Citation Flow and Topical Trust Flow are trademarks of Majestic-12 Ltd.
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Questions from the bench
- Do my files get uploaded to a server?
- No. Every calculation runs in your browser and all file processing happens on your device. Files are not stored and closing the tab drops the file.
- Are the tax calculators official tax advice?
- No. The calculators are illustrations that apply published UK rules to the numbers you enter. They are not a payslip, tax return or financial advice. You should check official sources before relying on a figure.
- What image formats can I convert?
- The site converts between JPEG, PNG, WebP, HEIC and PDF. You can also resize images and rotate PDFs.
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