#csv hackathon ideas

8 ideas across 4 categories · 2 beginner · 5 intermediate · 1 advanced. Sorted by judging fit (editorial estimate).

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AI
Ask Your CSV in Plain English
Upload a CSV, ask a question and get a chart plus the SQL that produced it
Intermediate14h1–2
DuckDBLLMCharts
18/20
AI Agents
Spreadsheet Cleanup Agent
The agent fixes messy spreadsheets and shows every change before applying it
Beginner10h1–2
LLMDuckDBNext.js
17/20
Productivity
Prompt-to-Dashboard
Turns a CSV and one sentence into a working dashboard
Intermediate24h1–3
Next.jsLLMCharts
17/20
AI
PDF Tables to Clean CSV
Extract tables from messy PDFs into clean, checked CSV files
Intermediate14h1–2
MarkItDownPythonLLM
16/20
AI
Privacy-Safe Synthetic Dataset Maker
Generate realistic fake data with the same shape and stats as your real data
Intermediate16h1–2
PythonDuckDBLLM
16/20
Fintech
Personal Finance Insights
Shows spending patterns and simple saving suggestions
Intermediate24h1–3
ReactChartsLLM
16/20
Fintech
Subscription Leak Finder
Finds forgotten recurring charges in a bank statement
Beginner12h1–2
Next.jsCSV parserCharts
16/20
AI Agents
Data Analyst Agent with a Python Sandbox
Ask questions about a dataset and the agent writes and runs Python to answer
Advanced26h1–3
PyodideLLMNext.js
15/20

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