ChartMaker Pro Autor: ChildsPlayExtensions

Transform CSV, Excel, TSV, and TXT files into stunning charts instantly. ChartMaker Pro is a free chart maker and data visualization tool that works completely offline - your sensitive data never leaves your device. No signup, no tracking.

Why Choose ChartMaker Pro?
• Best free alternative to Excel charts - Create professional graphs without expensive software
• Privacy-first data analytics - Perfect for confidential business intelligence and sensitive data
• No internet needed - Works as a desktop app alternative right in your browser
• 55+ languages with full RTL support for global teams

Complete Chart Types for Every Need
• Business dashboards: Generate Bar, Line, Area, Stacked charts
• Statistical analysis: Generate Scatter plots, Bubble charts, Histograms
• Financial reporting: Generate Pie charts, Doughnut charts, Polar Area
• Comparative data: Dual-axis charts, 100% stacked bars, Grouped bars
• Trend analysis: Line charts with logarithmic scales, Percentage charts

Import Any Data Format
• CSV files (comma-separated)
• Excel spreadsheets (.xlsx, .xls)
• TSV files (tab-separated)
• TXT files with custom delimiters
• European CSV (semicolon format)
• Pipe-delimited data
• Auto-detects delimiters - comma, tab, semicolon, pipe
• Handles international formats - European decimals, date formats

Advanced Data Analysis Features
• Dual Y-axes - Compare different scales (e.g., revenue vs. quantity)
• Logarithmic scales - For exponential data and scientific charts
• Percentage scales - Perfect for market share analysis
• 100% stacked bars - Show proportional contributions
• Data sorting - Ascending, descending, alphabetical
• Data limiting - Focus on top 10, 20, or 50 records
• Real-time updates - Instant visualization as you customize

Professional Customization
• 4 color schemes: Default, Vibrant, Pastel, Monochrome
• Custom color palettes with visual picker
• Adjustable bar width and spacing
• Show/hide data labels with number abbreviation (K, M, B)
• Grid lines toggle for cleaner presentation
• Legend positioning for better readability
• Dark mode & Light mode with system preference

Export & Share
• PNG download - 4 quality levels (Compressed to Ultra HD)
• Excel export - Includes raw data, chart info, and statistics
• CSV export - Clean data for further analysis
• Paste into presentations

Perfect For
• Business analysts creating sales dashboards and KPI reports
• Data scientists doing exploratory data analysis
• Students learning statistics and data visualization
• Researchers publishing papers with charts
• Marketers analyzing campaign performance
• Financial analysts creating investment charts
• Journalists visualizing data stories
• Teachers preparing educational materials

Better Than Online Chart Makers
✓ 100% offline - No data privacy concerns
✓ No account - No signup required
✓ Free - No hidden costs.
✓ Faster - Processes locally, no server delays
✓ More formats - CSV, Excel, TSV, TXT all supported

How to Use
0. Click the icon to launch the extension
1. Click "Choose File" or drag & drop your data
2. Select X-axis column and Y-axis columns
3. Choose chart type from the dropdown
4. Customize colors, labels, and options
5. Click "Generate Chart"
6. Download as PNG, Excel, or CSV

Available in 55+ Languages
• English • Spanish • French • German • Arabic • Hindi • Chinese • Japanese
• Russian • Portuguese • Urdu • Indonesian • Turkish • Vietnamese • Korean
• Italian • Dutch • Polish • Swedish • Hebrew • Catalan • Czech • Greek
• Hungarian • Romanian • Ukrainian • Persian • Filipino • Thai • Tamil • Telugu
• Marathi • Gujarati • Punjabi • Kannada • Malayalam • Odia • Burmese • Swahili
• Hausa • Yoruba • Igbo • Amharic • Somali • Malagasy • Azerbaijani • Uzbek
• Pashto • Sindhi • Javanese • Sunda • Sinhala • Bhojpuri • Egyptian Arabic
• and more!