A native Mac editor for text, CSVs, and data files
Finish App Store and Google Play submission screenshots in your browser
Stage
Not given
Not given
Founded
Not given
Not given
Based in
US
JP
Pricing model
Freemium
Freemium
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.
Browser: Free editing, $1 per PNG export or $10 for 10-export pack. Mac app: one-time purchase with unlimited exports.
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
Import screenshots and edit them as slides
Submission size presets for iPhone and Pixel families
Device frames, captions, and zoom callouts
Headline copy and text editing
Single and batch PNG export
Save projects as local .mockshot files
No signup required
Local processing with no cloud uploads
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
All editing and device frames on one screen with no design tool rebuilding needed
No signup or subscription required
Local processing with no server uploads of your content
Mac app with unlimited exports as one-time purchase
Caxton
MockShot Studio