Show HN: CSV Graph – create charts from CSV files in the browser

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CSV to Graph Online - Free CSV Chart Maker & Plotter<br>Get Started

Free Online Data VisualizationCSV to Graph Online: turn any CSV into a beautiful graph in seconds<br>Upload or paste your CSV data to instantly generate line charts, bar charts, and scatter plots — entirely in your browser. No sign-up required.<br>Start Graphing NowLearn More<br>No sign-up requiredNo credit card neededExport PNG & SVG

CSV to Graph Tool<br>Paste or upload CSV data, choose axes, and export the chart.

ClearLoad Example

Raw CSV Data<br>Upload CSV file0 rows0 cols

X-AxisWaiting for data…Y-AxisWaiting for data…<br>LineBarScatter<br>No numeric values found for the selected Y axis.<br>Please select a column containing numbers.

SVGExport PNG

Data Preview(0 of 0 rows)

Everything you need to visualize CSV data<br>A complete browser-based tool for turning spreadsheet data into publication-ready charts.

Instant Upload<br>Drag & drop or paste CSV data directly. Automatic delimiter detection handles commas, semicolons, and tabs.

Multiple Chart Types<br>Create line charts for trends, bar charts for comparisons, and scatter plots for numeric relationships.

Smart Column Detection<br>Automatically identifies numeric columns and headers so you can build charts without manual configuration.

High-Quality Export<br>Download charts as PNG for reports and presentations, or SVG for pixel-perfect scalable graphics.

Data Preview<br>Inspect your parsed data with a built-in table view to catch issues before generating the chart.

No Account Needed<br>Free browser-based tool with no sign-up. Your data stays local — nothing is uploaded to any server.

Common use cases<br>What people use CSV to Graph for<br>From quick data checks to polished report graphics, CSV to Graph handles the most common CSV visualization tasks.

Sales & revenue reports<br>Export monthly revenue, order counts, or product sales from a spreadsheet and turn them into a line or bar chart for team updates and investor decks.

Marketing & analytics exports<br>Visualize traffic sources, campaign results, conversion funnels, or ad spend breakdowns exported from Google Analytics, ad platforms, or CRM tools.

Survey & form responses<br>Chart response counts, ratings, NPS scores, or category totals exported from survey tools like Google Forms, Typeform, or SurveyMonkey.

Scientific & experiment data<br>Plot temperature vs. pressure, voltage vs. current, or other measurement pairs from lab instruments and research logs.

Finance & stock snapshots<br>Create quick line graphs from daily prices, portfolio values, crypto snapshots, or other financial CSV exports.

School & academic projects<br>Students and researchers can turn homework data, class results, or thesis datasets into clean charts without learning complex tools.

CSV to graph workflow<br>CSV to Graph Online for quick reports and one-off analysis

CSV to Graph Online is built for the common moment when you already have exported rows from analytics, experiments, forms, sales reports, or spreadsheet tools and need a readable chart quickly. Instead of opening a full dashboard product, you can paste the CSV, confirm the detected columns, choose the X and Y axes, and export a clean graph for notes, documents, slides, or client updates.<br>The first version focuses on the chart types people search for most often around CSV to graph, CSV plotter, CSV grapher, and CSV visualizer queries: line charts for trends, bar charts for category comparison, and scatter plots for numeric relationships. The data preview stays visible so delimiter issues, missing headers, and non-numeric columns can be caught before exporting the final PNG or SVG.

Frequently Asked Questions<br>What is the fastest way to turn CSV into a graph?Paste or upload a CSV file, confirm the detected columns, choose one X-axis column and one numeric Y-axis column, then select line, bar, or scatter chart.<br>Can I use this as a CSV chart maker or CSV plotter?Yes. CSV to Graph works as a CSV chart maker, CSV plotter, and CSV visualizer — all in one tool. Upload your data, choose a chart type, and export.<br>Does CSV to Graph Online require an account?No. The tool is completely free and runs in your browser with no sign-up, no login, and no account creation.<br>Which CSV columns should I select?Use a label, date, or index column for the X axis and a numeric column for the Y axis. The tool auto-detects numeric columns to help you choose.<br>What export formats are supported?Charts can be exported as PNG for documents, reports, and slides, or SVG for crisp scalable graphics in web pages and design tools.<br>Is my CSV data safe when using this tool?Yes. All processing happens locally in your browser. Your CSV files are never uploaded to any server — the data stays on your device.<br>Which chart type should I use for my CSV data?Use line charts for time series and trends, bar charts for comparing categories, and scatter plots for exploring relationships between two numeric columns.<br>Can I create a chart from CSV without installing software?Yes. This is a browser-based tool that...

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