SpreadJS supports many features. The main features are listed below:

• AutoFit
• Background Image
• Barcodes
• Borders and Gridlines
• Cell Alignment, Indentation, and Text Decoration
• Cell Comment
• Cell Format
• Cell Overflow
• Cell Span
• Cell Tags
• Cell Types
• Chart
• Clipboard Operations
• Column and Row Resize
• Conditional Formatting
• Context Menu
• CSV Import and Export
• Culture Settings
• Data Binding
• Data Validation
• Drag and Move
• Drag Fill
• Drag and Merge
• Edit Mode Always
• Excel Import and Export
• Floating Objects
• Formulas
• Frozen Columns and Rows
• Hit Testing
• Input Mapping
• JavaScript Open and Save
• JSON Import and Export
• JSON Schema
• Keyboard Navigation
• JavaScript Frameworks
• Multiple Headers
• Precision Selection
• Printing
• Protect and Cell Locking
• Quote Prefix
• Range Grouping
• Rich Text Format
• Row Filter
• Scroll Bars
• Searching
• Shapes
• Sheet Area Offset
• Shrink to Fit
• Slicer
• Sparklines
• Sorting
• SpreadJS Designer
• Structured References
• Styles
• Tables
• TabStrip
• Themes
• Tooltips
• TypeScript
• Undo and Redo
• Watermark
• Zoom