Description
Stack2Flat — Flatten Massive Folders. View Like a Pro.
4GB of source code, super fast. I flattened this app, 500,000+ lines....... One clean file. Zero crashes.
It supports folder hierarchy flattening, so just point to it, crush it flat, feed it to your robot!!! Also, we developed a custom viewer since your typical viewer MIGHT have some problems opening a 4gb text file....view and save your file in sections, or the whole file.Stack2Flat isn’t just a file flattener — it’s a full-blown code digestion system for massive directories. Flatten everything into a clean, readable output file. Then open it instantly in the custom Stack2Viewer to browse, search, and export line range. Tell your boss it took you 8 hours, and just kick your feet up...
✨ Why Stack2Flat?
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✅ Handled a 4GB folder full of code in seconds
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✅ 500,000+ lines, auto-organized by file
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✅ Clean Markdown or plaintext formatting
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✅ Chunk viewer for scrolling large files with line counters
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✅ Export only the section you need — save any range instantly
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✅ Tested under pressure — built for devs, researchers, and AI workflows
Stack2Viewer: Your Built-in Code Telescope
Huge text files? No problem.
Stack2Viewer is our custom-built file browser that opens your Stack2Flat output, lets you scroll by line count, and export just the slice you need. No more freezing Notepad, crashing VSCode, or fighting command-line tools.
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Jump by 100–10,000 lines
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Auto-counts total lines
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Save just the section you're reviewing
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Built-in full export tool
️ Great For:
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Developers merging legacy systems
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AI engineers prepping code ingestion
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Security audits across entire directories
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Writers or students exporting and curating source material
Community Edition (Free)
You’re downloading the Stack2Flat Community Model — fully functional, with zero limits.
Help us shape the roadmap. We're building for speed, stability, and scale.


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Windows (64-bit)
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ZIP archive with executable
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194MB