Google Translate

Should we mention this ? … but works good, has the most language pairs (…) Still recommended to have English in from or to, and be more careful if translating directly from non-English to non-English languages. Has also an API for developers (paid).
Plagiarismdetector: plagiarism checker

One more plagiarism checker that works well from what we could test. Not super fast (but that can be expected if many sources), but free up to a search of 1000 words, and provides one or more links to the sources and some plagia score. A metasearch engine, that uses smartly the input combined in […]
Visual Thesaurus Mind Map

Search 145k+ English words connected to each other by meaning (same, similar, opposite ..) expandable at will, and presented as a nice mind map. This will help your creativity for research on terms, wordings, and texts, but not much on technical solutions finding (Ex: “metals” will not list all metals) One of the rarely paid […]
AI Text Detector

You had manual writing tools, then recently AI automatic content writing tools, then plagiarism detectors … and now AI to detect AI writings! At least on the few trials we did …. indeed, it did detect humanly written texts and AI-generated tests. The story does not tell if it detects human texts because of the […]
Free Online Add Watermark to PDF

Get all the pages of your pdf watermarked in one go with your own text or image. Not the fanciest Graphical User Interface, but very efficient.Select your PDF, select a couple of options, and be ready to get all your pages watermarked.text, size, font … or your own imageexact positiontransparencyover or under the existing contentexact […]
Free Online OCR

Just provide your scanned image or PDF (with images inside), select your language among 20+and desired output format and get within seconds your recognized text. From our tests, the service is very efficient providing you have at least a 200dpi source. You can upload images and files up to 25Mo on the free version which […]
Summarize This – TLDR This GPT

A nice free GPT service, good a summarizing many contents. Either file upload, remote URL, or copy/paste text is possible. It provides the results, so as already proposes some variants for new queries or related topics.
LaTex Playground & Features Demo

No only can you write online your text in the free editor with all the Latex commands, but the very long provided example is a perfect overview of the language and all its possibilities.
Free Markdown to HTML Converter

Just copy/paste your Markdown text and it will be converted into HMTL, providing you both the raw HTML and its preview. Simple and effective, just as the Markdown principle. In case you have not used it before, or used without even knowing it: Markdown is a lightweight markup language created by John Gruber in 2004, […]
Strings Comparison Algorithms (or Strings Similarities)

In coding, when ever you want to be smarter than comparing if 2 strings are perfectly equal ( “abc” == “abd” ? ) … like how much is the first string different from the 2nd (like if the user entered something with a typo) , you have the choices between several algorithms, each with pros […]