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Text & Writing(6)
AI Content Detector
Detect whether text was written by AI or a human. Analyzes writing patterns and signals. Powered by Claude AI.
Paraphrasing Tool
Paraphrase and rewrite any text with AI. Multiple modes: formal, casual, creative. Free tool.
Grammar Checker
Check grammar, spelling and style instantly. AI-powered writing assistant. Free with no sign-up.
Word Counter
Free online word counter
Text Case Converter
Free online text case converter
Duplicate Line Remover
Remove duplicate lines from text instantly. Sort lines, count occurrences, trim whitespace.
From Our Developer Blog
Free guides on PDF, images, code, finance tools and more
developer
Vibe Coding Explained: What It Actually Means (And Why Senior Devs Are Divided)
Vibe coding went from Twitter meme to real workflow in under a year. Here's what it actually is, where it works, and where it quietly fails.
SEO
Technical SEO Audit: What to Check and How to Fix It
A practical walkthrough of technical SEO issues that actually prevent pages from ranking, with specific fixes for each problem.
security
JWT Security: The Mistakes That Get Apps Hacked and How to Avoid Them
JWTs are everywhere and frequently misconfigured. Here are the most common JWT security mistakes developers make and exactly how to fix them.
Meet the contributors
Guides written by practitioners — not generalists.
Priya Shah
Senior Software Engineer
Priya has nine years of experience building distributed systems and developer tooling at two B2B SaaS companies. She writes about APIs, JSON/JWT workflows, regex, DevOps, and the small utilities that make debugging faster at 2am.
Marcus Reid
Finance Writer & CPA
Marcus is a licensed CPA with twelve years advising on personal finance, small-business tax, and mortgages. He breaks down calculators (mortgage, retirement, paycheck) into the decisions they actually help you make, not the math behind them.
Elena Kovac
Security & Privacy Analyst
Elena spent eight years as an application security analyst, auditing document-handling pipelines and password hygiene at mid-market firms. She covers PDFs, password generation, file-processing privacy, and the trade-offs between convenience and safety online.
Daniel Osei
Content & SEO Strategist
Daniel has ten years in technical SEO and editorial strategy for tools-focused sites. He writes about image optimization, writing utilities, AI-assisted content workflows, and how to pick the right tool without the marketing gloss.
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