Free version with core features; paid license $34.99 USD for lifetime updates and unlimited devices. Also available on Setapp for $14.99/year or $34.99 lifetime.
Free for all tools. Pro: $29.99 per year or $4 per month, plus tax.
Key features
Per-process CPU and memory history
Process tree visualization with XPC service linking
Real-time disk I/O and memory pressure monitoring
CPU QoS breakdown and memory footprint analysis
Menu bar dashboard for system health tracking
Multi-property and regex search
JavaScript-based advanced filters
Deep process inspection with signature and entitlements info
CSV export for historical data and reporting
Validate JSON with precise line and column errors
Repair invalid JSON fixing trailing commas, quotes, and comments
Preserve large integers without rounding
Detect and mask API keys, tokens and passwords
What makes it different
Visualize complex process hierarchies with automatic XPC service linking
Advanced JavaScript filtering and multi-property regex search
Historical performance tracking with peak and average metrics
Retains information about finished processes for later analysis
Fully private with no data collection or remote transmission
Keeps large numbers exactly as written instead of silently rounding them like most online formatters
All free tools run entirely in your browser, working offline without uploading data
Automatically detects and warns about secrets like API keys and passwords
ProcessSpy
CurlyJSON