PDF Compare
Diffs two PDFs both as text and as rendered pixels, listing insertions, deletions and moves.
Both files are read and compared in this tab. Neither is uploaded.
Drop the original
One PDF
Drop the changed file
One PDF
Feed it from
Image Diff
Compares two images pixel by pixel and highlights what changed, with a perceptual difference score.
PDF Annotator
Adds highlights, notes, shapes and freehand ink, and exports the comment list separately.
Text Diff
Compares two texts side by side or inline, at line, word or character granularity.
Word Document Compare
Diffs two .docx files paragraph by paragraph with word-level marks inside changed paragraphs, side by side or unified, and exports an HTML or text report.
Next
These accept what this tool produces, so the result can go straight in.
Word Document Compare
Diffs two .docx files paragraph by paragraph with word-level marks inside changed paragraphs, side by side or unified, and exports an HTML or text report.
Image Diff
Compares two images pixel by pixel and highlights what changed, with a perceptual difference score.
PDF Text Extractor
Pulls the text layer out of a PDF in reading order — columns, rotated pages and Korean CID fonts included — as plain text or Markdown, and names any font it could not decode.
Text Diff
Compares two texts side by side or inline, at line, word or character granularity.
Background Remover
Keys out a flat or single-colour background in OKLab and returns a transparent PNG, with a brush for fixing the edges.
Colour Picker
Picks a colour on an OKLCH field, with a screen eyedropper or from an uploaded image, and copies it in any notation.