Convert Charts Privately & Free in Your Browser

Easily transform PDF or image charts and graphs into Excel or CSV files. 100% secure — all processing stays on your device, with no uploads or storage.

Select one or more files to upload.

* TaskExtract.Com can make mistakes. Please verify the results carefully.


Key Features of Our Chart/Graph Converter

100% Private Conversion

All processing happens locally in your browser — your charts and graphs never leave your device.

Multiple Output Formats

Export your data to Excel, CSV, JSON, SQL, HTML, XML, TXT, or Markdown formats.

Bulk File Conversion

Convert multiple PDF or image charts at once to save time and effort.

Merge Converted Data

Easily merge all converted charts or graphs into a single downloadable file for simpler analysis.

Simple and Intuitive

Upload your PDF or image, click convert, and download the extracted data in seconds — no setup required.

Preview and Edit

Review and adjust your converted chart data directly in the preview table before downloading.

How to Convert Your Charts or Graphs

1Upload your chart or graph in PDF or image format.
2Choose your desired output format (e.g., Excel, CSV) and data type (Table or Raw Data).
3Click the 'Convert' button to process your file locally on your device.
4Preview the extracted data and make any necessary edits in the table.
5Download your converted data in Excel, CSV, JSON, or other selected formats.

Who Can Benefit from Our Chart/Graph Converter?

Analysts and Researchers

Quickly extract chart data into spreadsheets for analysis and reporting.

Small Business Owners

Convert charts from invoices or reports to Excel for easier financial tracking.

Data Scientists

Extract structured chart or graph data to use in analysis, dashboards, or presentations.

Students and Educators

Turn charts from research papers or textbooks into editable spreadsheets for projects or lessons.

Why Choose TaskExtract.com for Chart/Graph Conversion?

Privacy First

We never upload or store your files. All conversions happen directly in your browser.

Device-Powered Performance

Your device does all the processing — no external servers or APIs, ensuring speed and privacy.

User-Friendly Interface

Our simple design makes chart and graph conversion easy for anyone — no technical skills required.

Versatile Output Options

Download your converted data in Excel, CSV, JSON, TXT, XML, HTML, Markdown, or SQL format.

Troubleshooting Chart/Graph Conversions

If conversion results seem incorrect, adjust settings one at a time: 1) Change Extraction Mode, 2) Adjust Image Quality, 3) Disable Table Pre-detection

Our converter supports most chart and graph layouts. If your file fails, try our PDF-to-Table Extractor for better compatibility.

For faster performance, use a modern browser and a device with WebGPU enabled and sufficient resources.

Frequently Asked Questions

For best results, set the processing mode to WebGPU and Quality to Ultra in Settings.

You can check WebGPU support by visiting enablegpu.com.

Yes. All processing is done locally in your browser — your files are never uploaded or stored on any server.

You can export to Excel, CSV, JSON, SQL, XML, TXT, Markdown, and HTML.

There’s no strict limit, but larger files may take longer depending on your device’s power.

Our converter works with most chart and graph types. If it doesn’t work with yours, try the generic PDF-to-Table Extractor.

No registration is required for basic conversions. Creating an account unlocks higher limits and Pro features.

Free users can convert a limited number of files daily. Pro users enjoy unlimited conversions.

Yes, batch conversion is supported — process multiple PDF or image files at once.

WebGPU ensures faster processing, but the converter can still run without it — performance may just be slower.