Compare two trends with clarity.
Build polished two‑series line charts with simple controls for line type, style, width, dots, and legend placement. Preview updates instantly and export in seconds.
Why this line tool
Purpose‑built for comparing two lines with precision.
Two‑series focus
Compare two lines side by side to show gaps, crossovers, and trends clearly.
Smooth or linear
Switch between linear and smooth (monotone) lines to match your data story.
Distinct styles
Use solid, dotted, dashed, or dash‑dot patterns to differentiate series at a glance.
Readable markers
Toggle dots on points for easier reading on dense charts or small screens.
Clear legends
Show or hide the legend and place it top, left, right, or bottom for context.
Instant preview
See every change live—colors, widths, and positions—before you export or share.
Bring your data
Type or paste
Enter points by hand or paste rows from a spreadsheet.
Quick table edit
Rename points and adjust values directly in the data table.
Upload (Pro)
Import common files to start faster and map columns with AI.
Reuse saved sets
Open past datasets and update values without rebuilding.
Share and export
Download images
Export crisp PNG or SVG for slides and docs.
Share a link
Send a view‑only link to teammates or clients.
Embed anywhere
Copy an embed to add your chart to websites and blogs.
Version updates
Replace an embedded chart without changing the link.
About this tool
This AI‑powered double line graph maker helps you compare two series fast. Choose linear or smooth lines, distinct styles, dots, and legend placement. Preview instantly. Export or embed in a click. Ideal for time‑based comparisons and clear storytelling.
- ✓Built for two‑series comparisons
- ✓Linear or smooth line types
- ✓Legend visibility and placement control
- ✓Dots, widths, and styles for readability
- ✓Instant preview and quick export
- ✓Free to start; Pro adds AI uploads
Quick facts
How it works
From data to a polished double line chart in minutes.
Add your points
Enter names and values in order (e.g., months). Keep the natural sequence for time series.
Jan, Feb, Mar … with values for Series A and Series B
Style your lines
Pick linear or smooth, choose stroke style and width, and toggle dots for readability.
Line type: Smooth (monotone), Style: Dashed vs Solid, Width: 2
Set legend and colors
Show the legend and place it where it fits. Pick distinct colors for each series.
Legend: Top; Colors: Blue vs Orange
Generate with AI (optional)
Describe the comparison you need and let AI set series names, styles, and legend for you.
“Compare 2024 vs 2025 monthly revenue; smooth lines, dots on, legend top.”
Who it’s for
Line charts excel at showing change over time and comparisons.
Campaign performance over time
Track two channels or campaigns: impressions vs clicks, organic vs paid, brand vs non‑brand.
Year‑over‑year revenue
Compare two fiscal years or budgets: revenue vs expenses, forecast vs actuals, cash in vs cash out.
Process metrics
Contrast throughput or quality trends: output vs defect rate, uptime vs downtime, tickets opened vs resolved.
Study results
Plot two cohorts or conditions: control vs treatment, pre‑ vs post‑intervention, test vs retest.
Why choose AI over manual setup
Reduce setup time and decision fatigue while improving clarity.
Traditional line chart workflow
- ✗Manual series setup and styling for each chart
- ✗Guesswork on smooth vs linear and marker visibility
- ✗Legend placement trial‑and‑error
- ✗Inconsistent colors and line widths across charts
- ✗Slow iteration to reach a clean, readable result
AI‑assisted line chart workflow
- ✓Auto‑configures two series with distinct colors and styles
- ✓Recommends smooth or linear based on trend shape
- ✓Sets an appropriate legend position and visibility
- ✓Applies consistent widths and patterns for contrast
- ✓Delivers a ready, accessible chart you can tweak instantly
FAQs
What is a double line graph maker?
It’s a tool for creating a line chart with two series, ideal for comparing trends over time or across categories. You can control line type, style, width, dots, and legend placement and export in standard formats.
How do I create a two‑line chart online?
Add your points in order, enter values for both series, then choose line type (Linear or Smooth), line style, and width. Toggle dots and set the legend position. Preview live and download or embed when it looks right.
Can AI build my double line graph for me?
Yes. Describe the comparison you want—such as two years of sales with smooth lines, dots on, legend top—and AI will generate a complete configuration with clear labels and distinct styles that you can adjust.
How do I compare two series clearly?
Use contrasting colors and different line styles, enable dots on dense data, and place the legend where labels are easy to read. Smooth lines can help reveal overall trends; linear lines emphasize exact point‑to‑point changes.
Can I change legend position and visibility?
Yes. Show or hide the legend and place it at the top, bottom, left, or right. This helps fit your layout and keeps the mapping between colors and series unambiguous.
Inclusive by design
- ✓Color choices that work for common color‑vision needs
- ✓Legend and labels optimized for clarity at small sizes
- ✓Keyboard‑friendly workflow and simple, readable controls
- ✓Responsive charts that stay legible on mobile and desktop
- ✓Clear contrast between series through color and pattern
Your data, your control
- •We don’t sell your data or share it for ads
- •Your charts are private unless you choose to share or embed
- •Delete your data and charts anytime from your account
- •Downloads are generated on demand and can be removed
- •Links can be revoked to disable access
Make your double line chart now
Add your data, let AI configure the details, and export in seconds.