🖋️ Stampify

A minimal desktop GUI app for adding text watermarks to your images.

Stampify is a Tkinter-based desktop application that lets you upload an image, type in a watermark, preview it instantly, and save the watermarked result, no browser, no upload to a third-party service, everything runs locally on your machine.

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✨ Features

• 📂 Upload JPEG or PNG images via a native file picker
• 🖼️ Live preview of your image right in the app window
• 🖋️ Apply custom watermark text, rendered in the bottom-right corner with a semi-transparent white overlay
• 💾 Save the watermarked result as a PNG or JPEG, with a native save dialog
• 🎨 Clean, minimal dark-themed interface

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🛠️ Tech Stack

• Python 3
• Tkinter — GUI framework (file dialogs, buttons, image display)
• Pillow (PIL) — image loading, watermark drawing, resizing, and saving

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📁 Project Structure

stampify/
├── gui.py           # Tkinter interface and event handling
├── logic.py         # Watermarking logic (Pillow image processing)
└── README.md

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▶️ Getting Started

Prerequisites

pip install pillow

(Tkinter ships with most standard Python installations.)

Running the App

git clone https://github.com/rhitamcoder/stampify.git

cd stampify

python gui.py

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1. Click Upload Image and select a JPEG or PNG file
2. Type your watermark text into the input field
3. Click Apply Watermark to preview it on the image
4. Click Save Image to export the watermarked result

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🧠 How It Works

• gui.py handles the Tkinter window, file dialogs, image preview, and button events
• logic.py contains apply_watermark(), which opens the image with Pillow, calculates text size and positioning (bottom-right corner with a margin), and draws the watermark text with partial transparency
• The watermarked image is re-rendered in the preview on Apply, and only written to disk when you click Save

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⚠️ Platform Note

logic.py attempts to load a specific TrueType font (DejaVuSans-Bold.ttf) from a Linux system font path. If that path doesn't exist on your machine (e.g. Windows or macOS), it automatically falls back to Pillow's built-in default font, so the app still works, just with a different watermark font. If you'd like consistent font rendering across platforms, consider bundling a .ttf file with the project and loading it by relative path instead.

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📝 License

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