✨ Free & Open Source — No Sign-Up Required

Drop Data.
See Stories.

Transform raw CSV, TSV, or JSON data into beautiful, interactive charts in seconds. No servers. No sign-ups. Your data never leaves your browser.

📊 Launch VizFlow Explore Features ↓
9
Chart Types
100%
Client-Side
0
Data Sent to Servers
Free Usage

Everything You Need to Visualize Data

From import to export, VizFlow gives you powerful tools to turn raw data into compelling visual stories.

📁

Drag & Drop Import

Drop CSV, TSV, or JSON files directly into your browser. Or paste data from any spreadsheet. Smart parsing auto-detects delimiters and column types.

📊

9 Chart Types

Bar, Stacked Bar, Line, Scatter, Bubble, Pie, Doughnut, Polar Area, and Radar charts. Switch between them with smooth animated transitions.

💡

Smart Recommendations

VizFlow analyzes your data shape and recommends the best chart type with reasoning. One click to apply the suggestion instantly.

⚙️

Data Transformation

Sort, filter, aggregate, and pivot your data before charting. Multi-level sorting, 11 filter operators, group-by aggregation, and cross-tabulation.

🎨

Custom Colors & Themes

4 built-in color palettes plus a full color picker for per-series customization. Save and load your own custom themes from local storage.

📊

Multi-Chart Dashboard

Switch to dashboard mode for multi-chart grid layouts. Choose 1–3 columns, use templates (Analytics, Finance, Comparison), drag-to-reorder, and export.

🔗

Share via URL

Compress your entire chart state — data and configuration — into a shareable URL. One click to copy. No server needed.

⟨/⟩

Embed Code Generator

Generate iframe embed code with customizable dimensions and responsive mode. Live preview before copying. Perfect for blogs and documentation.

↩️

Undo / Redo

Full undo/redo for all chart configuration changes. Use buttons or keyboard shortcuts (Ctrl+Z / Ctrl+Shift+Z). Up to 50 states in history.

Three Steps to Beautiful Charts

No sign-up, no downloads, no learning curve. Just drop your data and go.

1

Import Your Data

Drag and drop a CSV, TSV, or JSON file. Paste from a spreadsheet. Or try one of our sample datasets to explore.

2

Configure & Transform

Choose chart type, axes, and colors. Sort, filter, or aggregate your data. Customize titles, labels, and number formats.

3

Export & Share

Download as PNG, share via URL, or generate an embed code. Your chart, ready to use anywhere.

9 Chart Types. Endless Possibilities.

From simple comparisons to multi-dimensional analysis, VizFlow has the right chart for every dataset.

📊

Bar Chart

Compare categories side by side

📶

Stacked Bar

Part-to-whole across categories

🫧

Bubble Chart

Three dimensions in one view

📈

Line Chart

Track trends over time

Scatter Plot

Find correlations in your data

🥧

Pie Chart

Parts of a whole at a glance

🍩

Doughnut Chart

Modern take on the classic pie

🎯

Polar Area

Compare categories by area

🕸️

Radar Chart

Multi-dimensional comparison

🔒

Your Data Stays Yours

VizFlow runs entirely in your browser. No data is ever sent to any server. No cookies, no personal data collection, no tracking. Just pure, private data visualization. We use Plausible Analytics — a privacy-first, GDPR-compliant analytics tool that uses no cookies and collects no personal data.

🛡️ 100% Client-Side 🚫 No Server Calls 🔐 No Account Required 📂 Files Stay Local 📊 Privacy-First Analytics

Ready to See Your Data?

Jump straight in. No sign-up, no download, no waiting.

📊 Launch VizFlow — It's Free