Not specifically recommending any of these, and would not use any of these for anything sensitive (e.g. work-related)
- All Online Tools in One Box | 10015 Tools - many webdev tools
- All – Tiny Helpers - hundreds of simple online tools for web developers
- Convert your markdown files to PDF with our online converter for free! - says it all
- Easy Markdown Tables with Table to Markdown · Table to Markdown - convert tables from various sources to Markdown
- Explainpaper - upload a PDF of a scientific paper and get AI to explain it to you
- Free Online Tools for developers, testers, project managers, devops, and security testers | LambdaTest - many more tools
- Free online tools - no registration, unlimited use - mainly format converters
- Git Explorer - find the Git command you need with this tool
- GoOnlineTools.com - 100% Free Online Tools Collection - lots (I mean lots) of webdev tools
- HTML Cleaner - Online Beautifyer and Word Converter - tidy up your HTML code (also JavaScript or CSS) online - might also be useful if you are learning HTML (as you should)
- Have I Been Pwned: Check if your email has been compromised in a data breach - see if your login details for any online accounts are in the hands of hackers
- Hemingway Editor - an online app to improve your writing
- Mozilla SSL Configuration Generator - configure your nginx or other server software for encrypted connections
- Online GIF Tools - Simple, free and easy to use GIF utilities - various GIF tools
- Online Summarization Tool | PDF Summarizer | Summarize articles, text, documents with IntelliPPT - summarise any text using AI
- Paste to Markdown - paste text into a Web page and see it converted to markdown
- Phishing Incident Response Automation | Phish Report - check out a dodgy link in a phishing email
- Prettify YAML - Online YAML Tools - prettify YAML - lots of other YAML tools too
- RSS Finder - find RSS feeds from a URL (might save you searching the source)
- Redact PDF Free Online | PDF.online: another PDF redaction tool - claims all to work in your browser - not recommended
- Redact PDF Free: Secure Online PDF Redaction Tool | AvePDF - redact a PDF online - am not recommending you use this for anything sensitive
- Redirect Detective - Discover where those redirects really go to - another tool for looking at dodgy links
- Text Fixer - Online Text Tools - various text, code and other tools
- The best tools for web development | Web Code Tools - generate HTML and other code; even data
- gitignore.io - Create Useful .gitignore Files For Your Project - create the perfect
.gitignorefile - mmm.page — Dead Simple, Drag & Drop Websites - very easy and quick way to create your own website or blog
- readme.so - create the perfect README page for your GitHub/GitLab project using an online editor