{"id":47721720,"url":"https://github.com/imamik/polaroid-image-modifier","last_synced_at":"2026-04-02T19:41:18.776Z","repository":{"id":336640287,"uuid":"1148022175","full_name":"imamik/polaroid-image-modifier","owner":"imamik","description":"Apply authentic Polaroid 600 and Instax (Mini, Square, Wide) instant film effects to images. 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Supports Polaroid 600 and Instax (Mini, Square, Wide) frame types with realistic color grading, vignette, grain, and chemical distortion effects.\n\n## Features\n\n- **Multiple Frame Types**: Polaroid 600, Instax Mini, Instax Square, Instax Wide\n- **Authentic Film Effects**: Color grading, vignette, chromatic aberration, film grain\n- **Chemical Distortion**: Realistic edge effects and chemistry overlays\n- **Batch Processing**: Process entire directories of images\n- **CLI \u0026 Library**: Use as a command-line tool or import as a Go package\n\n## Installation\n\n### CLI\n\n```bash\n# Using Go\ngo install github.com/imamik/polaroid-image-modifier/cmd/polaroid@latest\n\n# Or download from releases\n# https://github.com/imamik/polaroid-image-modifier/releases\n```\n\n### Library\n\n```bash\ngo get github.com/imamik/polaroid-image-modifier\n```\n\n## Usage\n\n### CLI\n\n#### Process a Single Image\n\n```bash\npolaroid process -i input.jpg -o output.jpg -f polaroid_600 -t polaroid\n```\n\n#### Batch Process\n\n```bash\npolaroid batch -i ./input_dir -o ./output_dir -f instax_mini -t instax\n```\n\n#### Options\n\n| Flag | Short | Description | Default |\n|------|-------|-------------|---------|\n| `--input` | `-i` | Input file or directory | (required) |\n| `--output` | `-o` | Output file or directory | (required) |\n| `--frame` | `-f` | Frame type | `polaroid_600` |\n| `--film` | `-t` | Film type effect | `polaroid` |\n| `--chemistry` | `-c` | Chemistry overlay directory | (auto-detect) |\n| `--dpi` | `-d` | Output DPI reference | `300` |\n\n#### Frame Types\n\n- `polaroid_600` / `polaroid` - Classic Polaroid 600 format\n- `instax_mini` / `mini` - Fujifilm Instax Mini\n- `instax_square` / `square` - Fujifilm Instax Square\n- `instax_wide` / `wide` - Fujifilm Instax Wide\n\n#### Film Types\n\n- `polaroid` - Warm, vintage Polaroid color grading\n- `instax` - Cooler, modern Instax color grading\n\n### Library\n\n```go\npackage main\n\nimport (\n    \"log\"\n\n    polaroid \"github.com/imamik/polaroid-image-modifier\"\n)\n\nfunc main() {\n    opts := polaroid.DefaultOptions()\n    opts.FrameType = polaroid.FramePolaroid600\n    opts.FilmType = polaroid.FilmPolaroid\n\n    err := polaroid.Process(\"input.jpg\", \"output.jpg\", opts)\n    if err != nil {\n        log.Fatal(err)\n    }\n}\n```\n\n#### Available Types\n\n```go\n// Frame types\npolaroid.FramePolaroid600\npolaroid.FrameInstaxMini\npolaroid.FrameInstaxSq\npolaroid.FrameInstaxWide\n\n// Film types\npolaroid.FilmPolaroid\npolaroid.FilmInstax\n```\n\n## Chemistry Overlays\n\nThe `chemistry/` directory contains PNG overlays that simulate chemical development artifacts. These are randomly applied and flipped for variety. You can add your own overlays to this directory.\n\n## Development\n\n### Prerequisites\n\n- Go 1.24+\n- [pre-commit](https://pre-commit.com/) (optional, for git hooks)\n\n### Setup\n\n```bash\n# Clone the repository\ngit clone https://github.com/imamik/polaroid-image-modifier.git\ncd polaroid-image-modifier\n\n# Install dependencies\ngo mod download\n\n# Install pre-commit hooks (optional)\npre-commit install\npre-commit install --hook-type commit-msg\n\n# Build\ngo build ./cmd/polaroid\n\n# Run tests\ngo test ./...\n```\n\n### Project Structure\n\n```\n.\n├── cmd/polaroid/       # CLI application\n├── internal/           # Internal packages\n│   ├── filters/        # Image filter effects\n│   ├── frames/         # Frame specifications\n│   └── pipeline/       # Processing pipeline\n├── chemistry/          # Chemistry overlay images\n├── polaroid.go         # Public API\n└── go.mod\n```\n\n## Contributing\n\n1. Fork the repository\n2. Create your feature branch (`git checkout -b feature/amazing-feature`)\n3. Commit your changes using [Conventional Commits](https://www.conventionalcommits.org/)\n4. Push to the branch (`git push origin feature/amazing-feature`)\n5. Open a Pull Request\n\n## License\n\nMIT License - see [LICENSE](LICENSE) for details.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fimamik%2Fpolaroid-image-modifier","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fimamik%2Fpolaroid-image-modifier","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fimamik%2Fpolaroid-image-modifier/lists"}