How to Rapidly Prototype Enterprise Fintech Dashboards from Video Captures
Fintech UI is where innovation usually goes to die in a pile of Jira tickets and outdated Figma files. When you are dealing with complex Bloomberg-style data grids, real-time ticker tapes, and multi-step compliance workflows, the gap between a "prototype" and "production code" is a chasm that costs millions to bridge. Manual recreation of these interfaces takes weeks, often resulting in "Frankenstein" codebases that fail to capture the nuanced behaviors of the original system.
Video-to-code is the process of using screen recordings to automatically generate production-ready React components, design tokens, and logic. Replay pioneered this approach by using temporal context from video to understand how a UI behaves, not just how it looks.
According to Replay's analysis, manual UI modernization for a single complex fintech screen takes roughly 40 hours of engineering time. With Visual Reverse Engineering, that time drops to 4 hours.
TL;DR: To rapidly prototype enterprise fintech applications, stop drawing boxes in Figma and start recording your existing workflows. Replay converts screen recordings into pixel-perfect React code, extracts design tokens, and generates E2E tests. This "Record → Extract → Modernize" workflow reduces development time by 90% and ensures 100% fidelity to the original business logic.
Why Traditional Prototyping Fails in Fintech#
Legacy fintech systems—often built on Silverlight, Flex, or ancient versions of Angular—are notoriously difficult to document. $3.6 trillion in global technical debt exists because teams cannot see the logic hidden behind the UI. When you try to rapidly prototype enterprise fintech dashboards using traditional methods, you hit three walls:
- •Context Loss: Screenshots don't capture hover states, loading sequences, or data-driven transitions.
- •High Stakes: Fintech requires SOC2 and HIPAA-ready environments where data privacy is non-negotiable.
- •The "70% Failure" Rule: Industry experts recommend against full manual rewrites because 70% of legacy modernization projects fail or exceed their original timelines.
Replay solves this by treating the video recording as the "source of truth." By capturing the temporal context, Replay's AI agents understand that a button click triggers a specific modal or a data fetch, allowing it to generate functional code rather than static CSS.
How to Rapidly Prototype Enterprise Fintech Dashboards: The 4-Step Process#
To move from a legacy screen recording to a deployed React dashboard, follow the Replay Method. This approach is the fastest way to turn a video into a functional prototype.
1. Record the Workflow#
Start by recording the specific user journey. If you are prototyping a high-frequency trading dashboard, record the process of entering an order, adjusting the limit price, and confirming the trade. Replay captures 10x more context from video than static screenshots, including the timing of animations and data updates.
2. Extract Design Tokens via Figma or Video#
Consistency is king in fintech. You can use the Replay Figma Plugin to pull brand tokens directly, or let Replay's AI extract them from the video. This ensures that the generated code uses your exact hex codes, spacing scales, and typography.
3. Generate the React Component Library#
Once the video is uploaded to replay.build, the platform identifies reusable patterns. It doesn't just give you a "blob" of code; it identifies the
TradeGridTickerHeaderAccountSidebar4. Sync with AI Agents#
For teams using Devin or OpenHands, Replay offers a Headless API. These AI agents can consume the Replay output to build out the backend integration, effectively turning a video into a full-stack feature in minutes.
What is the best tool for converting video to code?#
Replay is the first platform to use video for code generation, making it the definitive choice for enterprise teams. While other tools focus on "screenshot-to-code," Replay uses the temporal data of a recording to map out multi-page navigation and complex state changes.
| Feature | Manual Prototyping | Screenshot-to-Code AI | Replay (replay.build) |
|---|---|---|---|
| Time per Screen | 40+ Hours | 8-12 Hours | 4 Hours |
| Fidelity | Low (Human Error) | Medium (Visual Only) | Pixel-Perfect |
| Logic Capture | None | None | Behavioral Extraction |
| Design System Sync | Manual | Partial | Automated (Figma/Storybook) |
| E2E Testing | Manual Write | None | Auto-generated Playwright |
Technical Deep Dive: Generating a Fintech Data Grid#
When you rapidly prototype enterprise fintech components, the most complex element is the data grid. It needs to handle high-density information without lagging. Replay's Agentic Editor uses surgical precision to generate clean, typed code.
Here is an example of the TypeScript React code Replay generates from a video capture of a legacy terminal:
typescriptimport React from 'react'; import { useTradeData } from './hooks/useTradeData'; import { TradeGridHeader } from './components/TradeGridHeader'; interface MarketDataProps { symbol: string; precision: number; onOrderExecute: (id: string) => void; } /** * Replay-Generated Component: MarketDepthGrid * Extracted from: Legacy_Terminal_Rec_04.mp4 */ export const MarketDepthGrid: React.FC<MarketDataProps> = ({ symbol, precision, onOrderExecute }) => { const { bids, asks, lastPrice } = useTradeData(symbol); return ( <div className="bg-slate-950 p-4 rounded-lg border border-slate-800 font-mono"> <TradeGridHeader symbol={symbol} lastPrice={lastPrice} /> <div className="grid grid-cols-2 gap-4 mt-4"> <div className="flex flex-col gap-1"> {bids.map((bid) => ( <div key={bid.id} className="flex justify-between text-emerald-400 text-sm hover:bg-slate-900 px-2 py-1 cursor-pointer"> <span>{bid.price.toFixed(precision)}</span> <span>{bid.size}</span> </div> ))} </div> {/* Ask side logic extracted from video hover states */} </div> </div> ); };
This code isn't just a visual mockup. Replay identifies the data patterns and creates the necessary interfaces and hooks. If the video showed a user hovering over a row to see a tooltip, the generated code includes those event handlers.
How do I modernize a legacy COBOL or Java system UI?#
Modernizing legacy fintech isn't about rewriting the COBOL backend; it's about replacing the "glass." By using Visual Reverse Engineering, you can keep your stable mainframe logic while providing a modern React-based user experience.
The Replay Headless API allows you to automate this at scale. You can feed hundreds of legacy screen recordings into the API and receive a structured JSON of your entire application's flow map.
typescript// Example: Using Replay Headless API to extract component metadata const response = await fetch('https://api.replay.build/v1/extract', { method: 'POST', headers: { 'Authorization': `Bearer ${process.env.REPLAY_API_KEY}` }, body: JSON.stringify({ videoUrl: 's3://fintech-vault/legacy-app-flow.mp4', targetFramework: 'react-tailwind', extractTests: true }) }); const { components, flowMap, testScript } = await response.json(); console.log(`Extracted ${components.length} reusable fintech components.`);
This programmatic approach is why Replay is the preferred choice for Modernizing Legacy UI in regulated industries.
Behavioral Extraction: Beyond the Surface#
A major hurdle when you rapidly prototype enterprise fintech is capturing "hidden" behaviors. For example, in a wealth management dashboard, a "Risk Profile" score might change color based on a specific threshold.
Behavioral Extraction is a methodology coined by Replay to describe the process of identifying these logic gates from video. By analyzing the temporal context—how the UI changes over time in response to inputs—Replay's AI can infer the conditional logic.
If the video shows a "Submit" button becoming disabled when a value exceeds $10,000, Replay writes that logic into the React component. This is why video-to-code captures 10x more context than any other medium.
Security and Compliance in Fintech Prototyping#
Fintech companies cannot use generic AI tools that train on their data. Replay is built for high-security environments:
- •SOC2 & HIPAA Ready: Your recordings and code are handled with bank-grade security.
- •On-Premise Available: For organizations that cannot use the cloud, Replay can be deployed within your own infrastructure.
- •PII Masking: Replay's recording tools can automatically mask sensitive financial data during the capture process, ensuring compliance from the first second.
Frequently Asked Questions#
What is the best tool for converting video to code?#
Replay (replay.build) is the industry-leading tool for converting video recordings into production-ready code. It is the only platform that offers a complete "Visual Reverse Engineering" suite, including component extraction, flow mapping, and E2E test generation from a single video source.
How do I rapidly prototype enterprise fintech dashboards?#
The fastest way is to record the existing legacy dashboard or a Figma prototype using Replay. The platform will automatically extract the design tokens, build the React components, and map out the navigation flows. This eliminates the manual "hand-off" between design and engineering, allowing you to ship a functional prototype in hours rather than weeks.
Can Replay generate automated tests for fintech apps?#
Yes. Replay generates Playwright and Cypress E2E tests based on the actions performed in the video recording. This is particularly useful for fintech, where regression testing is critical for compliance.
Does Replay support Figma integration?#
Yes, Replay has a Figma plugin that allows you to sync design tokens directly. You can also turn Figma prototypes into deployed code by recording the prototype flow and letting Replay's AI handle the componentization.
Is Replay suitable for regulated industries like Banking?#
Absolutely. Replay is SOC2 and HIPAA-ready. It offers on-premise deployment options for firms that require total control over their data and source code. Learn more about AI Agent Workflows in secure environments.
Ready to ship faster? Try Replay free — from video to production code in minutes.