I Built a Free Browser-Based Chart Builder and Report Creator — Here's How It Works

Ever needed a quick chart for a presentation, a report for a course, or a clean visualization for a blog post — but didn't want to sign up for yet another SaaS tool? I built Chartz to solve exactly that. 🔗 Live app: chartz.vercel.app What is Chartz? Chartz is a free, single-page web app where you can import data, create fully customizable charts, and build professional reports — all inside your browser. No accounts, no cloud, no data leaves your machine. Features 📁 Data Import & Analysis Upload CSV, Excel, or PDF files Auto-detection of column types (text, number, date, boolean) Built-in data cleaning, filtering, and transformation tools Smart statistical insights — mean, median, distribution, outliers 📊 Chart Builder 15+ chart types : bar, line, pie, area, radar, scatter, radial, treemap, funnel, composed, and more 50+ color palettes — from professional blues to vibrant gradients Full control over titles, subtitles, legends, grid, tooltips, and animations Pre-built templates to get st