Chart guides and how-tos
When to use each chart, and how to make one in the browser.
Jun 18, 2026 · 4 min read
How to Use Color in Data Visualization to Guide Your Audience
Use color to point at the story, not to decorate every bar. Palettes, highlight tricks, and color-blind pairing that still reads in gray.
Jun 18, 2026 · 4 min read
Mastering Multiline Charts: Visualizing Complex Trends Without Clutter
A multiline chart compares several trends on one time axis. Keep it to a few lines, label them on the chart, and skip the spaghetti.
Jun 18, 2026 · 5 min read
The Power of Pie and Doughnut Charts: When and How to Use Them
Pie and doughnut charts work when a few slices add up to 100%. Skip them when the parts are similar, many, or not a whole.
Feb 11, 2026 · 5 min read
Bar Chart vs Line Chart: When to Use Each One
Use a bar chart to compare separate groups. Use a line chart to show change over time. A short rule for picking the right one.
Feb 11, 2026 · 4 min read
How to Make a Bar Chart Online Step by Step
Make a bar chart in the browser: two columns of data, a few design rules, then download PNG or JPEG. No Excel, no account.
Feb 10, 2026 · 4 min read
How to Create Charts Online Without Excel or Design Skills
Make a presentation chart in the browser: pick a type, paste numbers, download PNG or JPEG. No Excel Chart Tools, no sign-up.