Freedom251 › File Comparison Software
Guiffy
What Guiffy is
Guiffy is a visual tool for comparing and merging files and comparing folders on Linux, macOS, and Windows. Its diff tool handles Unicode, MBCS, SJIS, and more than 150 file encoding and character-set formats, with syntax highlighting for over 20 source file types. 64-bit input and output supports files larger than 2 GB. Folder Compare can inspect file trees recursively, include archive files, and synchronize files. Guiffy eXpert adds SureMerge, a three-way merge tool that detects conflicts and lets users edit and resolve changes. Listed integrations include Git, SVN, ClearCase, and Perforce, plus desktop integrations, command-line interfaces, and an API. Guiffy Pro costs $24, paid once per user; Guiffy eXpert costs $48, paid once per user. Both include 12 months of support and updates, and each user license covers unlimited platforms. A fully enabled 21-day evaluation is available. The company has announced closure on December 31, 2026, when all products reach end of life.
Who it suits
Guiffy suits developers and teams comparing source files, synchronizing folders, or resolving three-way merge conflicts. It is relevant to users of Git, SVN, ClearCase, or Perforce who need desktop tools.
What it does well
- Supports over 150 encodings
- Handles files larger than 2 GB
- Includes recursive folder comparison
- eXpert provides three-way merging
- One license covers unlimited platforms
What to know first
- Products reach end of life December 31, 2026
- No free plan is offered
- 21-day evaluation is time-limited
- Support and updates last 12 months
Limits
The free evaluation lasts 21 days. Guiffy Pro covers file and folder comparison, while SureMerge, the API, SCM tools, IDE plugins, and command-line tools are listed with eXpert.
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Guiffy Pro | Per user, multi-user price; the page gives no billing schedule. · File and folder compare features · 12 months of support and updates · one user license covers an unlimited number of platforms | $24, paid once |
| Guiffy eXpert | Per user, multi-user price; the page gives no billing schedule. · SureMerge · API · SCM integration tools · IDE plugins · command line tools · 12 months of support and updates | $48, paid once |
As guiffy.com lists them, read 8 Oct 2026. The maker's own page has the final word.
Getting started
- Open the Guiffy website
- Choose Guiffy Pro or Guiffy eXpert
- Download the fully enabled 21-day evaluation
- Install it on Linux, macOS, or Windows
- Use the desktop application, command-line tools, API, or listed integrations
Verdict
Guiffy provides broad encoding support, large-file handling, folder comparison, and optional three-way merging. Its announced end-of-life date is a major consideration for new purchases.
Questions
What does Guiffy compare?
It compares source files and folders, including recursive file trees and archive files, and can synchronize files.
Does Guiffy support three-way merging?
Yes. Guiffy eXpert includes SureMerge for three-way merging, conflict detection, and user editing and resolution.
How much do the plans cost?
Guiffy Pro costs $24, paid once per user. Guiffy eXpert costs $48, paid once per user.
Is there a free trial?
A fully enabled 21-day evaluation is available, but there is no free plan.
Which platforms are supported?
Guiffy runs on Linux, macOS, and Windows, and each user license allows unlimited platforms.
When does Guiffy reach end of life?
The company announced closure on December 31, 2026, when all products reach end of life.
Facts from Guiffy's own pages
- File encodings
- The diff tool supports Unicode, MBCS, SJIS, and more than 150 file encoding and character set formats. · guiffy.com, 8 Oct 2026
- Folder comparison
- Folder Compare supports recursive file tree comparison, archive files, and file synchronization operations. · guiffy.com, 8 Oct 2026
- Integrations
- The maker lists Git, SVN, ClearCase, and Perforce integrations, as well as desktop integrations, command-line interfaces, and an API. · guiffy.com, 8 Oct 2026
- Large files
- The diff tool uses 64-bit I/O to support files larger than 2 GB. · guiffy.com, 8 Oct 2026
- License terms
- Each user license allows use on an unlimited number of platforms and includes 12 months of support and updates. · guiffy.com, 8 Oct 2026
- Merge
- Guiffy eXpert includes SureMerge, a three-way merge tool with change conflict detection and user editing and resolution. · guiffy.com, 8 Oct 2026
- Product
- Guiffy is a visual file comparison, merge, and folder comparison tool for comparing and merging source files. · guiffy.com, 8 Oct 2026
- Product status
- The company announced that it will close on December 31, 2026, and that all products will reach end of life on that date. · guiffy.com, 8 Oct 2026
- Refund policy
- The purchase page states an honor-based 30-day money-back guarantee for customers who request a refund within 30 days of purchase. · guiffy.com, 8 Oct 2026
- Support
- The maker describes support through email, user groups, and telephone contact with live support personnel. · guiffy.com, 8 Oct 2026
- Syntax highlighting
- The diff tool provides syntax highlighting for more than 20 source file types. · guiffy.com, 8 Oct 2026
- Trial
- The downloads page offers free, fully enabled 21-day evaluations. · guiffy.com, 8 Oct 2026
Where Guiffy stands on Freedom251
- File Comparison Software#26 of 33
- Diff and Merge Tools#24 of 29