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Find the right tool by the work in front of you
Categories are organised by task, not by file type, so you can start from what you are trying to finish. Each shelf lists the tools people reach for most.
Text & writing tools
Write it, count it, tidy it, and check it reads well before anyone else sees it.
Whether you are trimming an essay to a word limit or cleaning up text pasted out of a PDF, these tools work on plain text and give you the result instantly. Nothing is stored and nothing is sent anywhere.
PDF tools
Merge, split, compress, and convert PDFs on your own device.
PDFs are where most people hit a wall: a portal limit, a scan the wrong way up, twelve files that need to be one. These tools handle the format in the browser, so the document does not travel to a server you cannot see.
Image tools
Get an image to the exact size, weight, and format a platform demands.
Every upload form wants something different. Resize to a pixel value, compress for page speed, convert to WebP, or generate a full favicon set from a single square, all without opening design software.
SEO & website tools
Check what search engines see before you publish, not after.
Practical checks rather than vanity scores: what meta tags a page really serves, how a snippet truncates, whether your headings step in order, and which links have quietly broken since last quarter.
Calculators
The arithmetic you would rather not do twice.
Loan repayments, percentages, grades, dates, and unit prices, each with the working shown so you can check the number instead of trusting it. Useful for coursework, budgets, and quick decisions at a counter.
Developer tools
Small utilities you open ten times a day and never want to install.
Format and validate JSON, encode and decode, hash a string, read a cron expression in plain English, test a regular expression, or generate a QR code you can actually print. All client side.
Research tools
Keep sources, citations, and reference lists in order.
Built with students, educators, and researchers who told us what actually slows a submission down. Citations to the current edition of each style, similarity checks, and a formatter that fixes a bibliography assembled by four people.
Daily life tools
The small utilities you search for every single week.
Unit and currency conversion, time zone planning, timers, a fair random picker, and a password generator that never sends your password anywhere. Bookmark the page and stop hunting.
Cannot see the category you need?
New shelves get added when enough people ask for the same kind of tool. Tell us what is missing.