How to split an image into two separate pictures
Keep both sides of a spread, with a divider that follows the content rather than an arbitrary crop.
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Practical tutorials for preparing documents, recognizing text and putting the results to work.
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29 guides
How to rotate a sideways image and keep the whole picture
Choose a quarter-turn for sideways text, a fine angle for tilt and a flip only when mirroring is intended.
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How to clean up a document image before OCR
Use measured cleanup to improve a scan while protecting its small but important details.
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How to straighten tilted text in a scanned image
Use the detected angle as a starting point, then check the lines that matter.
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How to crop an image without cutting off useful detail
Keep the notice, receipt or screenshot area you need and leave the distractions behind.
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How to adjust image contrast for faint document text
Strengthen the separation between ink and paper while keeping punctuation and pale marks visible.
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How to find and remove duplicate PDF pages before OCR
Find matching pages in a PDF and review which copies to keep. Choose the first or last copy as a starting point, inspect each group and save a document without unnecessary repeats.
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How to find and remove blank PDF pages safely
Find blank-looking pages in a PDF and review them before removal. Choose a tolerance for scan noise, keep meaningful faint pages and save the remaining document as a separate copy.
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How to export PDF pages as images for OCR or review
Turn complete PDF pages into image files for visual review or an image-based workflow. Choose the pages, format, resolution and rotation, then download a single result or a ZIP.
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How to arrange images into a PDF before OCR
Arrange images into a PDF with control over page order and layout. Choose paper size, margins and fit, rotate individual images and review the whole board before saving.
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How to merge PDF files into an ordered OCR packet
Combine related PDFs into one ordered document. Arrange the source files, choose page ranges and review the sequence before creating a packet for reading, sharing or OCR.
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How to rotate sideways PDF pages before recognition
Correct sideways or upside-down PDF pages with quarter-turn rotations. Apply one change throughout or target individual pages, keeping native text and drawings instead of rebuilding page images.
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How to organize PDF pages before OCR
Put a PDF packet into the order you need. Work with pages from one or more files, move related material together and remove or rotate pages before saving the complete board as a new PDF.
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How to remove unwanted PDF pages before recognition
Remove pages that do not belong in the document you want to use. Review the unwanted pages, keep at least one page and save a separate PDF containing the rest in their original order.
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How to extract selected PDF pages before OCR
Save only the PDF pages you need. Select thumbnails or enter a range, arrange the selected pages and create a focused document without converting the pages into images.
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How to extract existing PDF text without running OCR
Extract words already stored in a PDF’s text layer. Review the content and save one text file or separate page files; use PDF OCR instead when the page is only an image.
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How to turn document photos into a PDF for OCR
Build a PDF from document photos. Capture or import pages, adjust the four corners, review the cleanup and arrange the result before creating one reading copy.
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How to reduce a scanned PDF size without losing essential text
Make a PDF easier to upload or share with a deliberate balance between size and readability. Choose a compression level, image resolution and color mode, then inspect the smallest text in the result.
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How to convert a color PDF to grayscale before OCR
Create a grayscale copy of a color PDF. Reduce color distractions for reading or printing, then check that labels, highlights and colored text remain distinguishable before OCR.
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How to clean a scanned PDF before recognizing its text
Prepare difficult scans with a cleanup profile suited to the page. Reduce distracting backgrounds, review shadows and speckles, or choose a black-and-white or colored-notes treatment before OCR.
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How to adjust scanned PDF contrast before OCR
Separate faint lettering from its background with manual contrast, auto levels or local contrast. Compare the scan before processing and choose settings that retain small marks as well as bold text.
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How to straighten a tilted scanned PDF before OCR
Straighten sloping lines in a scanned PDF. Use a precise manual angle or try automatic deskew, review the page edges and save a corrected image-based PDF before recognition.
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How to split scanned book spreads into separate PDF pages
Turn a scanned spread into separate PDF pages. Move the divider to match the gutter, choose which half comes first and keep the original page content for the next OCR step.
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How to crop PDF margins before OCR
Trim distracting borders and unused margins around PDF content. Draw a crop yourself, fit each page automatically, or give differently sized pages a consistent frame before recognition.
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How to translate OCR results
Move from a checked OCR transcript to a translation you can review, copy and save.
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How to refine OCR text with Smart edit
Use a checked OCR transcript to draft a summary, improve the wording or format a document.
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How to clean up an image before OCR
Make a faint scan easier to inspect, remove a small margin mark and preserve the letters that OCR needs.
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How to extract text from a scanned PDF page
Read one scanned page or passage, compare the text with its source and save a useful copy.
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How to extract text from images and save a checked copy
Read a picture of words, compare the transcript with the source and save the version you need.
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