View, Edit and Compare G-Code Programs with Confidence and Control

CNC Program Editing • File Comparison • Error Prevention

Every CNC machine on your shop floor runs on G-code, but not every company has a reliable way to view, validate and compare those programs before they reach production. Even small inconsistencies between program revisions can lead to scrap, rework, machine crashes or missed delivery timelines.

Whether you’re troubleshooting a production issue, validating engineering changes or standardizing programming workflows across your operation, SFA delivers the software, hardware and expertise to bring structure and trust in your CNC programming process.

Without Clear G-Code Comparison, More Revisions Can Mean More Errors

Most manufacturers know that CNC program errors are costly. The root cause is often a lack of visibility and control over program changes, particularly without the right tools and processes. The end result leaves teams dealing with:

Multiple versions of G-code programs stored across shared drives or local machines

Multiple versions of G-code programs stored across shared drives or local machines

No clear way to compare revisions line-by-line to identify changes

No clear way to compare revisions line-by-line to identify changes

Manual edits made without validation or documentation

Manual edits made without validation or documentation

Operators running outdated or incorrect program versions

Operators running outdated or incorrect program versions

Time-consuming troubleshooting when production issues arise

Time-consuming troubleshooting when production issues arise

Limited traceability between engineering updates and shop floor execution

Limited traceability between engineering updates and shop floor execution

The Ability to View, Edit and Compare G-Code in Production

This ability goes far beyond basic text editing to form a critical layer of quality control within your CNC programming workflow.

View: Clearly Read and Understand CNC Programs

View: Clearly Read and Understand CNC Programs

Gain full visibility into your G-code programs with tools designed specifically for manufacturing environments, such as:

  • Syntax highlighting for easier program readability
  • Support for large and complex CNC files
  • Multi-window viewing for side-by-side program analysis
  • Faster troubleshooting and program validation
Edit: Make Accurate, Controlled Program Changes

Edit: Make Accurate, Controlled Program Changes

Modify CNC programs with confidence using purpose-built editing tools:

  • Safe, structured editing of G-code programs
  • Reduced risk of syntax errors and formatting issues
  • Faster implementation of engineering changes
  • Standardized editing practices across teams
Compare: Identify Differences Between Program Revisions

Compare: Identify Differences Between Program Revisions

Quickly detect and validate changes between program versions, like:

  • Line-by-line comparison of G-code files
  • Highlighted differences for immediate visibility
  • Validation of engineering updates before release
  • Prevention of wrong-revision machining events
Connect: Ensure the Right Program Reaches the Machine

Connect: Ensure the Right Program Reaches the Machine

Tie editing and comparison directly into controlled program distribution for complete:

  • Integration with DNC systems
  • Send, receive and drip feed programs with full versions of editors
  • Works great for laptops and a need to transfer programs

Remove the guesswork from your program version comparisons.

Gain full visibility and control over your G-code programs with SFA.

Download a free 30 day trial

The SFA Solution Suite: Software, Hardware and Services for CNC Program Control

Shop Floor Automations delivers a complete ecosystem to support viewing, editing, comparing and controlling CNC programs - from engineering to machine execution.

Predator Editor: Advanced G-Code Viewing, Editing & Comparison

Predator Editor is a purpose-built CNC program editor designed to improve accuracy, efficiency and control in G-code programming.

Key capabilities:

  • CNC-specific text editing with syntax highlighting
  • Side-by-side file comparison with highlighted differences
  • Multi-file viewing for complex program analysis
  • Support for large CNC programs and multiple file types
  • Reduced risk of editing errors compared to generic text editors

CNC Connectivity Hardware

SFA provides the industrial hardware required to connect your programming environment to your machines in a reliable and secure manner.

  • Serial-to-Ethernet adapters for legacy CNC controls
  • USB to serial adapters to add comm ports to your computer
  • RS232 serial cables is various lengths
  • Adding USB ports to your CNC machines

What is G-code comparison and why does it matter?

G-code comparison identifies differences between program versions to ensure changes are intentional and correct before machining begins.

Can G-code be edited safely without introducing errors?

Yes, when using CNC-specific editing tools that provide structure, formatting and validation support.

How do you prevent outdated CNC programs from being used?

Outdated CNC programs may be prevented from being used on the shop floor by combining editing and comparison tools with centralized program management and controlled delivery systems, as offered by Predator Software.

Do these G-code control solutions work with legacy CNC machines?

Yes. SFA connects both legacy and modern machines using specialized hardware and communication protocols.

Ready to reduce scrap and rework because of G-code program errors?

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