What's Next

Congratulations — you've built a fully functional Text Compare tool using AI-assisted development! But this is just the beginning. The app you have now is a solid foundation, and there's plenty of room to take it further.

Get the Source Code#

The complete source code for this project is available on GitHub:

github.com/yangwenz/projects/tree/main/text-compare

Clone it, explore it, and use it as your starting point. From here, the goal is to evolve it from a working prototype into something more polished and closer to production quality.

Ideas for Improvement#

Here are some directions you can take the project:

Refine the UI Design#

The current UI is functional but minimal. Consider:

• Dark mode support — Add a theme toggle that switches between light and dark color schemes.
• Syntax highlighting — Integrate a syntax-aware highlighter so users can compare code files with proper language coloring alongside the diff markers.
• Keyboard shortcuts — Add shortcuts for common actions (e.g., Ctrl+Shift+D to compare, Ctrl+G to jump to next difference) and display them in tooltips.

Add New Features#

There are many features that would make the tool more useful for daily development work:

• Three-way merge — Support a three-way diff view (base, local, remote) commonly needed when resolving merge conflicts.
• Folder comparison — Let users compare entire directories, showing a tree view of added, removed, and modified files with the ability to drill into individual file diffs.
• Semantic diff — Go beyond line-by-line comparison by offering word-level or character-level diffing that highlights exactly what changed within a line.
• Diff statistics — Show a summary panel with counts of additions, deletions, and modifications, along with a percentage similarity score.
• Export and share — Allow users to export the diff as a unified patch file, HTML report, or shareable link.
• File type awareness — Add specialized comparison modes for structured formats like JSON, XML, and CSV that ignore insignificant formatting differences.

Add Monetization#

If you want to turn this into a real product, there are several monetization strategies you can explore:

• Ad placements — Add non-intrusive banner ads or sidebar ads using Google AdSense or similar platforms. Developer tools with consistent traffic can generate meaningful ad revenue.
• Premium features — Gate advanced features (three-way merge, folder comparison, export options) behind a free account or a paid tier.

Keep Building with AI#

The workflow you learned in this tutorial — writing a PRD, creating a technical design, generating code with Claude Code, then testing and iterating — applies to any project. The Text Compare tool was a focused example, but the same approach scales to more complex applications.

Pick one of the ideas above (or come up with your own), write a short PRD for it, and ask Claude Code to implement it. Each iteration will sharpen your ability to guide AI tools effectively — and that's a skill that compounds over time.