Tool categories
The 40 tools are organised into five groups by the kind of job they do. Open a category for an overview of its tools and guidance on choosing between them.
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SEO & Digital Marketing Tools
These eight tools cover the practical, repeatable parts of on-page and technical SEO: checking what a page tells search engines about itself, shaping how it might appear in results, grouping keywords into sensible topics, and producing the plain-text files that crawlers read.
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Text & Writing Tools
Writing tasks often stall on small mechanical jobs: trimming a meta description to length, fixing a paragraph typed with caps lock on, cleaning a list exported from a spreadsheet, or working out exactly what changed between two drafts.
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Image & File Tools
Most online image and PDF converters ask you to upload your files to someone else's server. The tools in this category take a different approach: your files are opened and processed by your own browser, and the results are created on your device.
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Online Calculators & Converters
These calculators cover questions that come up at work, in the shop and at home: what a discount really saves, whether a price leaves enough margin, how many days lie between two dates, or what a regular saving might grow to.
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Developer Tools
Developers reach for small utilities dozens of times a day: to read a minified API response, decode a token payload, check a hash, or work out why a regular expression matches too much.