A native Mac editor for text, CSVs, and data files
Pencil-style icons for the web, drawn by code
Stage
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Founded
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Based in
US
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Pricing model
Freemium
Open source
Pricing
Caxton Free (free forever); Caxton Pro monthly at $9.99 USD, annual at $99.99 USD, or lifetime at $179.99 USD. Team pricing starts at $79 to $99.99 USD per seat per year.
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Key features
Text editing with memory-mapped files for large documents
CSV and TSV table editing with column transforms
Column transformations and data type preservation
CSV validation with structural and data rules
File comparison without copying data
Extract matches and columns to new documents
Local processing with no cloud uploads or telemetry
React components with customizable size, color, and stroke width
Pencil variant with adjustable grain texture from 0 to 1
Small bundle sizes: 0.5 KB gzipped per icon, 67 KB for all by name
Consistent rendering across server and client with no hydration mismatch
What makes it different
Opens files directly from disk without importing or uploading, preserving data exactly as stored
Combines text editor, CSV table editor, and log viewer in one native Mac application
Handles multi-gigabyte files with consistent performance and one-millisecond keystroke latency
Preserves leading zeros, long IDs, and data types exactly as stored in the file
All files stay local to your Mac with no cloud processing, telemetry, or vendor lock-in
Same name always draws identically everywhere for consistency
Authentic pencil-style imperfections while maintaining legibility at small sizes
MIT licensed and free for personal and commercial use
Caxton
Matita