File Conversion How-To Guides
Master file conversion with our comprehensive guides covering document processing, image optimization, audio/video conversion, and accessibility compliance.
Document Conversion Best Practices
PDF to Word/Excel Conversion
- Quality Tips: Use high-resolution PDFs for better text recognition
- Text-based PDFs: Convert directly for perfect formatting preservation
- Scanned PDFs: Our OCR technology extracts text from images
- Tables: Excel conversion intelligently detects and preserves table structures
- Languages: Supports multilingual content with proper encoding
Image to PDF Conversion
- High Quality: We use 300 DPI for professional print quality
- Multiple Images: Combine multiple images into a single PDF
- Compression: Optimal balance between quality and file size
- Formats: Supports JPG, PNG, TIFF, WebP, AVIF, HEIF, and more
- Batch Processing: Upload multiple images for efficient conversion
Pro Tip: Document Quality
For best results with scanned documents, ensure good lighting and contrast when scanning. Our AI-powered OCR works best with clear, high-contrast text.
Image Format & Optimization Guide
Modern Formats
- WebP: 25-35% smaller than JPG, wide browser support
- AVIF: 50% smaller than JPG, next-gen compression
- HEIF: Apple's efficient format for iOS/macOS
- JXL: Future-proof with lossless compression
Use Cases
- Web: WebP for faster loading
- Print: TIFF or high-quality JPG
- Transparency: PNG or WebP
- Animation: GIF or WebP
Quality Settings
- High: Professional/print quality
- Medium: Web/social media
- Low: Email/quick sharing
- Lossless: Archival/editing
Audio & Video Conversion Guide
Audio Formats
MP3 ↔ WAV
Universal compatibility vs. uncompressed quality
FLAC ↔ MP3
Lossless quality for audiophiles to compressed for sharing
AAC ↔ OGG
Apple ecosystem compatibility vs. open-source alternative
Video Formats
AVI → MP4
Legacy format to modern web-compatible
MOV → MP4
QuickTime to universal playback
MKV → MP4
High-quality container to streaming-optimized
AI Processing & Accessibility
AI-Powered Features
- GPT-4V OCR: Extract text from handwritten notes and complex documents
- Document Analysis: Understand document structure and layout
- Docling Processing: Advanced table and figure extraction
- Web Extraction: Intelligent content extraction from web pages
Accessibility Compliance
- PDF/UA Validation: Check universal accessibility standards
- WCAG Compliance: Web Content Accessibility Guidelines
- PAC 2024: Latest accessibility testing standards
- Remediation: Automated accessibility improvements
Troubleshooting Common Issues
Large File Uploads
Files over 50MB? Our S3 upload system handles files up to 5GB. The interface automatically switches to large file mode for better performance.
Empty or Poor Quality Output
For scanned PDFs or low-quality images, try our AI-powered OCR features. Ensure source files have good contrast and resolution for best results.
Format Support
We support 80+ conversion types including modern formats like AVIF, HEIF, and scientific data formats. Check our full converter list on the homepage.
Quick Reference
Documents
PDF, Word, Excel, PowerPoint
Images
JPG, PNG, WebP, AVIF, HEIF
Audio/Video
MP3, WAV, MP4, AVI, MOV
AI & Data
OCR, Analysis, Scientific Data
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