Images (OCR)

Upload images containing text. WizChat uses OCR (Optical Character Recognition) to extract and index the text.

Supported Formats

Format	Extension	Support
PNG	.png	Full support
JPEG	.jpg, .jpeg	Full support
WebP	.webp	Full support
TIFF	.tiff, .tif	Full support
GIF	.gif	Static only

Uploading Images

1. Go to "Knowledge Base"
2. Click "Upload Document"
3. Select your image file(s)
4. OCR processing starts automatically

OCR Processing

When you upload an image:

1. Upload - Image is transferred
2. OCR - Text is extracted from the image
3. Processing - Extracted text is chunked
4. Embedding - Content becomes searchable

Best Image Quality

For best OCR results:

Factor	Recommendation
Resolution	300 DPI or higher
Contrast	High contrast (dark text, light background)
Orientation	Properly aligned (not rotated)
Focus	Sharp, not blurry
File size	Not overly compressed

Use Cases

Images with text work well for:

• Scanned documents
• Screenshots
• Diagrams with labels
• Infographics
• Handwritten notes (with good quality)
• Whiteboards

Viewing Extracted Text

After processing:

1. Go to "Knowledge Base"
2. Click on the image document
3. View the extracted text
4. Edit if needed

Editing OCR Results

OCR isn't perfect. You can edit the extracted text:

1. Open the image document
2. Click "Edit Text"
3. Correct any errors
4. Click "Save"

tip

Always review OCR results for important documents.

Limitations

Limitation	Details
Handwriting	Variable quality
Complex layouts	May affect accuracy
Low resolution	Reduced accuracy
Stylized fonts	May not be recognized
Non-Latin scripts	Language support varies

Troubleshooting

No Text Extracted

Possible causes:

• Image contains no text
• Text too small or blurry
• Unusual fonts

Solution: Try a higher quality image or manually enter the text.

Incorrect Text

Possible causes:

• Low image quality
• Unusual formatting
• OCR limitations

Solution: Edit the extracted text manually.

Related

• Knowledge Base Overview
• Uploading PDFs