How to make a histogram online
Paste data, choose bins, style the chart, then export SVG, PDF, PNG, CSV, or JSON.
HistogramMaker.app
Free online histogram maker for publication-quality charts
Free Online Histogram Maker
Paste your data, customize bins and styles, and export a publication-quality histogram in seconds. No signup required.
Data
Valid values: 0
We found 0 numeric values. Paste numbers separated by commas, spaces, semicolons, tabs, or new lines.
Bins
Style
Export
2400 x 1600px at 300 dpi
Open the export dialog for Quick Export or Publication Export presets.
Chart Preview
Preview updates as you edit data and settings.
We found 0 numeric values. Paste numbers separated by commas, spaces, semicolons, tabs, or new lines.
Your data is processed locally in your browser. Nothing is uploaded to our servers.
What is a histogram?
A histogram shows the distribution of continuous numeric values across adjacent intervals.
How to choose bins
Freedman-Diaconis is the default; Scott, Sturges, Rice, Doane, and custom bins are available.
Publication-quality export
Use vector SVG/PDF or high-DPI PNG with academic column size presets.
FAQ
What is the best bin size for a histogram?
Freedman-Diaconis is a strong default because it uses IQR and is less sensitive to outliers.
Can I export a histogram at 300 DPI?
Yes. Raster exports support 72, 96, 150, 300, 500, 600, 1000, or custom DPI.
Can I make a histogram without signing up?
Yes. The core histogram workflow does not require an account.
Is my data uploaded to your server?
No. Parsing, statistics, binning, rendering, and export run in your browser.
Can I use the chart in a paper or report?
Yes. SVG, PDF, and high-DPI PNG exports are intended for academic and business use.
Can I download the frequency table?
Yes. Choose CSV frequency table from the export format menu.