> ## Documentation Index > Fetch the complete documentation index at: https://developers.argosidentity.com/llms.txt > Use this file to discover all available pages before exploring further. # ID Image Best Practice # ID Image Best Practice To ensure optimal performance and accuracy, the following image file guidelines must be followed. We support a variety of file formats, with specific recommendations for file size and resolution to ensure the best results. Please adhere to these standards for smoother and faster identity verification processing: ## Image Quality Requirements ### Resolution and Clarity * **Minimum Resolution**: 300 DPI (dots per inch) * **Recommended Resolution**: 600 DPI or higher * **Image Clarity**: Sharp, clear images with good contrast * **Focus**: All text and details must be clearly readable ### Lighting and Exposure * **Lighting**: Even, diffused lighting to avoid shadows and glare * **No Flash**: Avoid direct flash which can cause glare and wash out details * **Natural Light**: Use natural daylight when possible * **No Reflections**: Ensure no reflections obscure important information ### Image Composition * **Full Document**: Capture the entire document within the frame * **No Cropping**: Include all edges and corners of the document * **Proper Orientation**: Document should be straight and level * **No Obstructions**: Ensure no fingers, hands, or other objects cover the document ## Supported File Formats ### Recommended Formats * **JPEG** (.jpg, .jpeg): Most common, good compression * **PNG** (.png): Lossless compression, better for text ### Not Supported * **GIF** (.gif): Limited color depth * **BMP** (.bmp): Large file size * **WebP** (.webp): Limited browser support * **TIFF** (.tiff, .tif): Too large for web processing * **PDF** (.pdf): Not supported for image processing ## File Size Guidelines ### Size Limits * **Minimum Size**: 100 KB * **Recommended Size**: 1-5 MB * **Maximum Size**: 50 MB * **Optimal Size**: 2-3 MB for best quality/speed balance ### Compression Guidelines * **JPEG Quality**: 80-90% for optimal balance * **PNG Compression**: Use standard compression * **Avoid Over-compression**: Don't compress below 70% quality ## Document-Specific Guidelines ### National IDs and Driver's Licenses * **Front Side**: Capture entire front face * **Back Side**: Capture entire back face * **Security Features**: Ensure holograms and security elements are visible * **Barcode/QR Code**: Include any machine-readable codes ### Passports * **Data Page**: Focus on the main data page * **Machine Readable Zone**: Ensure MRZ is clearly visible * **Photo**: Passport photo should be clear and recognizable * **All Text**: All printed text should be legible ### Residence Permits and Visas * **Full Document**: Include all pages if multi-page * **Stamps and Stickers**: Ensure all official stamps are visible * **Dates and Numbers**: All dates and identification numbers must be clear ## Technical Specifications ### Image Processing Requirements * **Color Depth**: 24-bit color (16.7 million colors) * **Color Space**: sRGB or Adobe RGB * **Aspect Ratio**: Maintain original document proportions * **No Digital Alterations**: Do not edit, crop, or modify images ### Upload Guidelines * **Base64 Encoding**: Images must be properly base64 encoded * **No Data URI Prefix**: Remove `data:image/jpeg;base64,` if present * **Line Breaks**: Remove any line breaks from base64 string * **Character Encoding**: Use UTF-8 encoding ## Common Issues and Solutions ### Blurry Images * **Cause**: Camera shake or poor focus * **Solution**: Use tripod or steady surface, ensure proper focus ### Glare and Reflections * **Cause**: Direct lighting or flash * **Solution**: Use diffused lighting, avoid direct flash ### Poor Contrast * **Cause**: Insufficient lighting or dark background * **Solution**: Improve lighting, use light background ### Cropped Documents * **Cause**: Camera too close or poor framing * **Solution**: Step back to capture entire document ### Over-compressed Images * **Cause**: Excessive compression to reduce file size * **Solution**: Use higher quality settings, balance size vs quality ## Best Practices Summary 1. **Use High Resolution**: 300 DPI minimum, 600 DPI recommended 2. **Ensure Good Lighting**: Even, diffused lighting without glare 3. **Capture Full Document**: Include all edges and corners 4. **Maintain Quality**: Use appropriate file formats and compression 5. **Follow Size Guidelines**: Stay within 1-50 MB range 6. **Avoid Digital Alterations**: No editing, cropping, or modifications 7. **Test Before Upload**: Verify image quality and readability 8. **Use Proper Equipment**: Good camera or scanner for best results ## Quality Checklist Before uploading your ID images, verify: * [ ] Image is sharp and clear * [ ] All text is readable * [ ] No glare or reflections * [ ] Entire document is captured * [ ] File size is within limits * [ ] Format is supported (JPEG/PNG) * [ ] No digital alterations made * [ ] Proper base64 encoding * [ ] Good contrast and lighting * [ ] Document is properly oriented