Free Line Graph Maker
Visualize trends over time.
Line graphs (also called line charts) show how a number changes over time. Paste any text with dates and values. LLMVIZ pulls out the structure and renders a clean line chart. No spreadsheet upload, no configuration, no signup.
How it works
Paste your data
Any text with categories and numbers. Survey results, financial summaries, research findings. Messy is fine.
Click Visualize
LLMVIZ uses an LLM to pull out the data, pick the right shape, and render the chart.
Export and share
Save as PNG, copy to your clipboard, or download the data as a CSV.
When to use a line chart
Stock price or KPI over time
Plot any time series. Closing prices, monthly active users, sensor readings. No axes to set up.
Website traffic and growth
Spot trends in your traffic, signups, or active users week over week.
Temperature or weather data
Compare temperature, rainfall, or any environmental measurement across days, months, or years.
Multi-line comparisons
Compare two or more series on the same chart. Revenue vs expenses by month, for example.
Year-over-year revenue
See this year vs last year on one chart. One line per year, with the change between them obvious.
Frequently asked questions
How do I make a line graph from data?
Paste any text with dates and numbers, like "Jan 100, Feb 120, Mar 95", and click Visualize. LLMVIZ reads the structure and renders the line graph automatically.
How do I make a multi-line line graph?
Include multiple series in your text. For example: "Q1 revenue $1.2M, expenses $800K. Q2 revenue $1.4M, expenses $900K." LLMVIZ creates one line per series and labels them.
What is a line graph used for?
Line graphs work best when you want to show how something changes over a continuous variable, usually time. Pick one when your data is ordered (months, weeks, hours) and the trend or rate of change is the point.
What is the best free line graph maker?
Depends on what you have. For text or notes, LLMVIZ is the fastest path. For spreadsheet workflows, Google Sheets or Canva work well, but you configure everything by hand.