Free Tools
Free tools for founders and marketers. No sign-up required.
AI Visibility Checker
See how AI assistants like ChatGPT and Perplexity describe and recommend your brand. Get your AI Visibility Score, Share of Voice, and actionable AEO recommendations.
Token Counter (GPT & Claude)
Count tokens exactly for GPT-4o, GPT-4, and Claude, and estimate what a prompt costs.
PNG to SVG Converter
Turn a PNG, JPG, or WebP logo into a clean, scalable SVG — in your browser, no upload, no watermark.
Reaction Time Test
Test your reflexes: click when the box turns green. Five rounds, instant average — runs entirely in your browser.
Fake Notification Generator
Create a realistic iPhone lock-screen notification mockup — wallpaper, clock, frosted card — and download it as PNG.
QR Code Generator
Generate QR codes instantly for any URL. Download as PNG.
Open Graph Preview
See how your link looks on Twitter, Facebook, LinkedIn, and Slack. Check OG meta tags instantly.
Word & Character Counter
Count words, characters, sentences, paragraphs, and estimate reading time.
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to text. Runs in your browser.
JSON Formatter & Validator
Format, validate, and minify JSON online. Side-by-side editor with syntax validation.
Password Generator
Generate strong, random passwords. Customize length, characters, and strength.
Which Indie Hacker Are You?
8 questions to find out which famous indie hacker matches your building style. Levelsio, Marc Lou, Tony Dinh, and more.
Domain Authority Checker
Check any website's Domain Authority (DA), Page Authority (PA), and spam score for free.
Spam Score Checker
Check if a website is flagged as spam. Identify risky domains and protect your SEO.
Domain Rating (DR) Checker
Check any website's Ahrefs Domain Rating (DR) score. Evaluate backlink profile strength on a 0-100 scale.