# SnapOtter

> Open-source, self-hostable image manipulation suite with 52 tools. Single Docker container, no external services. Dual-licensed AGPLv3 / commercial.

SnapOtter runs entirely on your own infrastructure. Images are processed locally with no data sent to external APIs. Deploy once with Docker and use it as much as you need.

## Getting Started

- [Documentation](https://docs.snapotter.com/guide/getting-started): Installation, configuration, and deployment guide
- [Docker Hub](https://hub.docker.com/r/snapotter/snapotter): Official Docker image with multi-arch support
- [GitHub](https://github.com/snapotter-hq/snapotter): Source code, issues, and contributions

## Core Tools

- [Resize](https://snapotter.com/tools/resize): Resize images by pixels, percentage, or social media presets
- [Crop](https://snapotter.com/tools/crop): Freeform, fixed aspect ratio, and shape-based cropping
- [Rotate](https://snapotter.com/tools/rotate): Rotate by any angle, flip, and auto-straighten
- [Convert](https://snapotter.com/tools/convert): Convert between JPEG, PNG, WebP, AVIF, TIFF, GIF, HEIC, RAW
- [Compress](https://snapotter.com/tools/compress): Quality-based or target file size compression
- [Optimize for Web](https://snapotter.com/tools/optimize-for-web): Smart format selection and quality tuning for web delivery
- [Strip Metadata](https://snapotter.com/tools/strip-metadata): Remove EXIF, GPS, and camera data for privacy
- [Edit Metadata](https://snapotter.com/tools/edit-metadata): View and edit EXIF, IPTC, and XMP fields
- [Bulk Rename](https://snapotter.com/tools/bulk-rename): Pattern-based batch renaming with variables
- [Image to PDF](https://snapotter.com/tools/image-to-pdf): Combine images into multi-page PDFs
- [Favicon](https://snapotter.com/tools/favicon): Generate all favicon sizes from a single image

## Color and Adjustment Tools

- [Adjust Colors](https://snapotter.com/tools/adjust-colors): Brightness, contrast, saturation, temperature, and effects
- [Sharpening](https://snapotter.com/tools/sharpening): Adaptive, unsharp mask, and high-pass sharpening
- [Replace Color](https://snapotter.com/tools/replace-color): Swap colors with tolerance control or invert
- [Color Blindness](https://snapotter.com/tools/color-blindness): Simulate 8 types of color vision deficiency

## AI-Powered Tools

- [Remove Background](https://snapotter.com/tools/remove-background): AI background removal (rembg) running 100% locally
- [Upscale](https://snapotter.com/tools/upscale): 2x and 4x AI super-resolution with RealESRGAN
- [Erase Object](https://snapotter.com/tools/erase-object): AI inpainting to remove unwanted objects (LaMa)
- [OCR](https://snapotter.com/tools/ocr): Extract text from images with PaddleOCR (80+ languages)
- [Blur Faces](https://snapotter.com/tools/blur-faces): AI face detection with blur for GDPR compliance
- [Smart Crop](https://snapotter.com/tools/smart-crop): Subject-aware and face-centered cropping
- [Image Enhancement](https://snapotter.com/tools/image-enhancement): One-click auto-fix for exposure, contrast, and color
- [Enhance Faces](https://snapotter.com/tools/enhance-faces): AI face restoration for blurry or low-res portraits
- [Colorize](https://snapotter.com/tools/colorize): Convert black-and-white photos to full color with AI
- [Noise Removal](https://snapotter.com/tools/noise-removal): AI denoising for ISO noise, JPEG artifacts, and grain
- [Red Eye Removal](https://snapotter.com/tools/red-eye-removal): Automatic red-eye detection and correction
- [Restore Photo](https://snapotter.com/tools/restore-photo): AI repair of scratches, tears, and damage
- [Passport Photo](https://snapotter.com/tools/passport-photo): Compliant passport/ID photos for 30+ countries
- [Content-Aware Resize](https://snapotter.com/tools/content-aware-resize): Seam carving that preserves subjects
- [AI Canvas Expand](https://snapotter.com/tools/ai-canvas-expand): Outpainting to extend image borders with AI
- [Transparency Fixer](https://snapotter.com/tools/transparency-fixer): Fix PNGs with fake transparent backgrounds

## Watermark and Overlay Tools

- [Text Watermark](https://snapotter.com/tools/watermark-text): Add text watermarks with tiling and opacity control
- [Image Watermark](https://snapotter.com/tools/watermark-image): Overlay logos with position and opacity control
- [Text Overlay](https://snapotter.com/tools/text-overlay): Add styled text, captions, and titles to images
- [Compose](https://snapotter.com/tools/compose): Layer and composite multiple images with blending
- [Meme Generator](https://snapotter.com/tools/meme-generator): Create memes with custom text and templates

## Analysis and Utility Tools

- [Image Info](https://snapotter.com/tools/info): View dimensions, EXIF, GPS, color space, and file details
- [Compare](https://snapotter.com/tools/compare): Side-by-side image comparison with slider overlay
- [Find Duplicates](https://snapotter.com/tools/find-duplicates): Perceptual hashing for near-duplicate detection
- [Color Palette](https://snapotter.com/tools/color-palette): Extract dominant colors as hex/RGB values
- [QR Code Generator](https://snapotter.com/tools/qr-generate): Custom QR codes with colors, logos, and patterns
- [Barcode Reader](https://snapotter.com/tools/barcode-read): Decode QR, Code 128, EAN-13, and more from images
- [Image to Base64](https://snapotter.com/tools/image-to-base64): Generate data URIs for HTML/CSS embedding

## Layout and Composition Tools

- [Collage](https://snapotter.com/tools/collage): 25+ grid templates for photo collages
- [Stitch](https://snapotter.com/tools/stitch): Join images side by side, stacked, or in grids
- [Split](https://snapotter.com/tools/split): Cut images into grid tiles for Instagram and print
- [Border](https://snapotter.com/tools/border): Add borders, rounded corners, and drop shadows
- [Beautify](https://snapotter.com/tools/beautify): Screenshot mockups with device frames and backgrounds

## Format Conversion Tools

- [SVG to Raster](https://snapotter.com/tools/svg-to-raster): Convert SVG to PNG, JPEG, WebP at custom scale/DPI
- [Vectorize](https://snapotter.com/tools/vectorize): Trace raster images to SVG vector paths
- [GIF Tools](https://snapotter.com/tools/gif-tools): Resize, optimize, reverse, and extract GIF frames
- [PDF to Image](https://snapotter.com/tools/pdf-to-image): Convert PDF pages to images at custom DPI

## Key Features

- Self-hosted: all processing on your infrastructure, no cloud dependency
- Privacy-first: images never leave your network
- Batch processing: process hundreds of files at once
- Pipelines: chain tools sequentially for automated workflows
- REST API: integrate with any system via HTTP
- 21 languages supported
- Docker: single container deployment
- Open source: AGPLv3 with commercial license available

## Links

- Website: https://snapotter.com
- Documentation: https://docs.snapotter.com
- GitHub: https://github.com/snapotter-hq/snapotter
- Docker Hub: https://hub.docker.com/r/snapotter/snapotter
- Discord: https://discord.gg/hr3s7HPUsr