OCRmyPDF
ocrmypdf.readthedocs.ioAdd searchable text to scanned PDF documents
Add searchable text to scanned PDF documents
Windows PDF editing with signing and batch redaction tools
Timed batch scanning and automatic book-spread splitting
Resize and rename image batches
Build and reuse an adjustable stack of photo corrections
Windows capture and linear AVI processing
Merge exposures and tone-map HDR images
Apply selective color adjustments to RAW photos
Free batch conversion with clearly stated file allowances
Free Windows media conversion with track and subtitle controls
Batch conversion for office documents and ebooks
Batch-convert DWG and DXF files between versions
Bulk file conversion with folder input and output choices
Media conversion with original-and-output previews
Batch media encoding with presets and watch folders
Outlook conversion tools with scheduled and command-line operation
Batch audio conversion through configurable command-line backends
Convert music libraries while retaining tags and folder structure
Batch audio conversion with folder, tag, and sound-processing controls
Edit PDF metadata through a GUI or command line
Compress PDFs and Office files without changing their formats
PDF assembly, extraction, numbering, and batch utilities