Upload data first in the workspace, then refresh this page to see your chart.
Chart options
Label column: —
Value columns: —
Rows loaded: 0
Scatter/bubble plots use the first two value columns for X and Y axes.
Quick links
You May Also Need
Histogram - Free Online Tool
Use our free online histogram tool to process your files quickly and securely. No registration required, no file size limits, and completely free to use. Our tool works directly in your browser for maximum privacy and convenience.
With Histogram - Free Online Tool you can
How to Use Histogram
Features of Histogram Tool
Why Choose Our Tool
Key highlights
Easy Upload
Fast Processing
Secure & Private
Free Forever
What is Histogram - Free Online Tool?
Histogram is a free chart builder from WizardOfAZ. Use it to work with charts using flexible options as part of your communicating insights, without installing extra software.
Popular ways to use Histogram
- Streamline communicating insights by using Histogram to work with charts using flexible options.
- Share deliverables faster—processed charts are ready for download in seconds.
- Combine Histogram with other WizardOfAZ tools to keep complex workflows in one browser tab.
Examples and workflow tips
- Upload a sample file, cast the spell to work with charts using flexible options, and download the processed result instantly.
- Bookmark the Histogram in your browser so recurring tasks stay only one click away.
- Share the spell with teammates who need a quick, no-install way to work with charts using flexible options.
Frequently asked questions
Is the Histogram secure?
Yes. The Histogram runs entirely in your browser, which means your datasets never leave your device.
What can I do with the Histogram?
You can communicating insights by processing charts without uploading them to an external service.
Can I use Histogram on mobile?
Yes. WizardOfAZ tools are responsive, so you can launch the spell on desktops, tablets, or phones without installing extra apps.
Privacy-first processing every time
WizardOfAZ tools do not need registrations, no accounts or sign-up required. Totally Free.
- Local only: There are many tools like Text tools, some CSV tools, List tools etc. that are only processed on your browser. Data and Documents are transformed on your machine, so nothing is sent to our servers.
- Transparent progress: Watch the processing banner appear as soon as work begins and know exactly when it completes.
- Clear safeguards: Every tool links directly to our privacy policy and has been reviewed for accessibility.
- Secure Process: Some Tools need to be processed in the servers so the Old Wizard processes your files securely on our servers, keeping them for up to 1 hour so your tool can finish its work—after that, they are automatically deleted after 1 Hour.
10K+
private jobs cast in the last 12 months
“The wizard does everything I need. I can merge sensitive PDFs without a second thought.”
— Morgan, legal operations lead