Fileduel - Compare files APP
Whether you're reviewing a contract redline, reconciling two Excel reports, tracking changes in a code file, or comparing scanned documents โ FileDuel handles it in seconds.
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WHAT YOU CAN COMPARE
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๐ Text & Documents โ .txt, .docx, .md, XML, code files, EDI, and more
๐ Excel Spreadsheets โ compare cells, formulas, and sheet structure across .xlsx files
๐ PDF Files โ extract and compare text content across pages (Beta)
๐ท Photos & Scans โ photograph a printed document and compare against another
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HOW IT WORKS
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1. Pick File A and File B โ from your device or paste text directly
2. Tap Compare
3. See every change highlighted โ added lines in green, removed in red, modified in amber
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KEY FEATURES
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โฆ Word-level and character-level diff โ see exactly which words changed, not just which lines
โฆ Split view and unified view โ choose the layout that works for you
โฆ Portrait and landscape support โ full screen real estate in any orientation
โฆ Excel sheet mapping โ match sheets across two files, column-by-column comparison
โฆ Formula diff โ see what Excel formulas changed, not just cell values
โฆ PDF page navigation โ jump to changed pages instantly
โฆ Find in diff โ search within your comparison results
โฆ Export results โ share as HTML, CSV, or JSON
โฆ Scroll sync โ both panes move together for easy line-by-line review
โฆ Dark mode โ full dark theme that's easy on the eyes
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100% ON-DEVICE PRIVACY
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Your files never leave your phone. FileDuel runs entirely on-device โ no uploads, no cloud processing, no accounts required. What you compare stays on your device, period.
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BUILT FOR
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โ Legal & compliance teams reviewing contract versions
โ Finance teams reconciling Excel reports
โ Developers comparing config files and code
โ Writers tracking document revisions
โ Anyone who needs to know exactly what changed between two versions of anything
FileDuel. Two files. Every change.



