TextMerger

TextMerger is a cross-platform desktop application that lets you collect, preview, and merge content from multiple files into a single, clean output — ready to copy, save, or paste into any tool (including AI prompts).

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Table of Contents

• Why TextMerger?
• Features
  • Core workflow
  • Organization
  • Output control
  • Usability
• Supported Formats
• Installation
  • Windows
  • Linux
  • Arch Linux (AUR)
  • AppImage (any distro, no install required)
• Building from Source
• Contributing
• AI Disclosure
• License

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Why TextMerger?

When working with AI assistants, code reviews, or documentation tools, you often need to feed them the contents of many files at once. TextMerger makes that effortless:

• Drop a folder in, exclude what you don't need, and copy everything in one click
• Keep multiple merge sessions open simultaneously with tabs
• Works with source code, notebooks, PDFs, CSVs, and more — not just plain text

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Features

Core workflow

• Drag & drop files and entire folders directly into the window
• One-click copy — the merged output is always one click away from your clipboard
• Save to file — export the merged result to a new file at any time
• Automatic refresh — files are re-read at configurable intervals, so the output stays up to date

Organization

• Tabbed interface — run multiple independent merge sessions without losing work; create, rename, reorder, and close tabs freely
• Smart file exclusions — define global patterns (e.g. node_modules, .git, *.lock) to automatically skip unwanted files and folders
• Per-file visibility controls — hide or show individual file contents in the output without removing the file from the list

Output control

• Content truncation — set a character limit per file to keep the output manageable; expand individual files when needed
• File headers preserved — even when content is filtered or truncated, file paths are kept in the output for full context
• Toggle preview — quickly show or hide the full merged output while you're still organizing files

Usability

• File type icons — at-a-glance recognition of each file's type
• Customizable keyboard shortcuts — with category-based filtering to quickly find what you need
• Multi-language support — English, Italian, German, French, Spanish
• Light / Dark theme
• Full keyboard navigation — the entire interface is accessible without a mouse

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Supported Formats

Category	Extensions
Source code	.py .js .ts .rs .c .cpp .java .go .rb .php .swift .kt and more
Web	.html .css .scss .jsx .tsx .vue .svelte
Config & markup	.json .yaml .toml .xml .md .ini .env
Data & documents	.csv, PDF, Jupyter Notebooks (.ipynb)

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Installation

Windows

Download the installer from the Releases page:

Format	Description
.exe	NSIS installer (recommended)
.msi	MSI installer for enterprise deployment

Linux

Debian / Ubuntu

sudo apt install ./textmerger_x.x.x_amd64.deb

Fedora / RHEL / openSUSE

# Fedora
sudo dnf install textmerger-x.x.x-1.x86_64.rpm

# RHEL/CentOS
sudo yum install textmerger-x.x.x-1.x86_64.rpm

# openSUSE
sudo zypper install textmerger-x.x.x-1.x86_64.rpm

Arch Linux (AUR)

yay -S textmerger
# or
paru -S textmerger

AppImage (any distro, no install required)

chmod +x textmerger_x.x.x_amd64.AppImage
./textmerger_x.x.x_amd64.AppImage

Tip: Use AppImageLauncher to integrate AppImages with your desktop environment.

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Building from Source

Prerequisites & build steps

Prerequisites:

• Rust 1.77+
• Node.js v18+ and npm

Linux system dependencies:

# Debian/Ubuntu
sudo apt-get install -y libwebkit2gtk-4.1-dev librsvg2-dev patchelf libgtk-3-dev libayatana-appindicator3-dev

# Fedora
sudo dnf install -y webkit2gtk4.1-devel librsvg2-devel gtk3-devel libappindicator-gtk3-devel patchelf

# Arch Linux
sudo pacman -S webkit2gtk gtk3 cairo gdk-pixbuf2 glib2 pango libappindicator-gtk3

Build:

git clone https://github.com/pierspad/textmerger.git
cd textmerger/textmerger
npm install
npm run tauri dev      # development mode
npm run tauri build    # production build → src-tauri/target/release/bundle/

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Contributing

Pull requests are welcome! For major changes, please open an issue first to discuss your ideas.

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AI Disclosure

This project was developed with the assistance of Large Language Models, used to support code writing and documentation.

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License

This project is licensed under the GPL v3 License — see the LICENSE file for details.