Sankey Diagram Maker

Sankey Diagram Maker is a structured visualization tool designed to create clear flow diagrams and financial statement models directly on your device. Whether you are analyzing income statements, tracking corporate revenue streams, or mapping complex data transfers, this application converts tabular data rows into directional node and link diagrams. By visualizing how quantities flow from sources to destinations, Sankey Diagram Maker helps clarify complex numerical relationships for reports and presentations.

KEY FEATURES AND CAPABILITIES

Financial Flow Visualization
Build visual representations of corporate income statements, revenue sources, cost of goods sold, operating expenses, gross profit, and net profit. Map cash flow distributions, household budgets, and resource allocations with proportional flow widths.

Structured Tabular Data Input
Enter data rows using a simple interface defining source nodes, target nodes, current values, and comparative prior-period figures. Supports multi-column data input to construct multi-stage flow networks.

Automatic Layout Calculation
Utilizes structured layout algorithms to arrange nodes into logical columns, balance node heights, and draw smooth curved flow paths without manual geometric adjustments.

Customizable Formatting and Labels
Control how data labels and metrics appear on your flow diagrams:
- Select font styles and adjust text sizes.
- Change label positions relative to nodes (outside, inside, or after nodes).
- Configure numeric formatting, including decimal precision, currency prefixes, and percentage suffixes.
- Display period-over-period variance metrics to highlight structural financial changes.
- Apply light or dark color themes for individual flow streams and background elements.

Interactive Canvas Controls
Inspect detailed flow networks using multi-touch pan and zoom gestures. Reset canvas view to fit the complete diagram on screen with a single action.

Image Export and Sharing
Export rendered diagrams as high-resolution PNG image files suitable for inclusion in financial reports, slide presentations, documentation, or emails.

Offline Functionality and Local Storage
All diagram projects and numerical entries are stored locally on your device. No user registration, user account creation, or active internet connection is required to create or modify diagrams.

USE CASES

- Corporate financial modeling and profit-and-loss (P&L) flow visualization.
- Business revenue, cost allocation, and expense tracking.
- Resource, energy, and material flow analysis.
- Educational presentations and data science documentation.

Targeted at financial analysts, corporate accountants, business managers, researchers, and students who require an offline tool to build and export custom Sankey diagrams.