Free & Private Online Tools

Every tool runs 100% in your browser. No signup, no upload, no cost.

RemoveBG

AI background remover with before/after comparison. Download transparent PNG instantly.

Extract clean Markdown from your PDF entirely on-device. Copy or download as .md.

Interactive typography game to test and refine your letter-spacing skills.

Printable notebooks, digital planners, e-books & picture books — download and go.

17+ years of clinical operations & development consulting for biotech, pharma and CROs.

US & West Coast disaster preparedness and survival center to keep you and your family safe.

AI companion to optimize your resume, practice interviews and land US jobs.

Free deduction game where AI guesses your character or career — 600+ characters, 152 careers.

Open-source gene-disease knowledge graph & AI platform — plain-language genetic reports, inheritance simulator and prevention guides.

Official recipe companion for Taiwan night market street food — easy step-by-step recipes from Taiwan Bites.