Keep your documents tidy with intelligent duplicate detection

Simplifile finds exact and near duplicates across PDFs, DOCX and text files. Scan folders, preview content, and clean up confidently with an archive that auto‑expires.

Everything you need to de‑duplicate

Built for real‑world documents: proposals, reports, letters, and more.

Exact & near-duplicate detection

Find 100% duplicates and similar files with small edits using SimHash + TF‑IDF.

Folder scanning

Upload folders with structure preserved. Handles PDFs, DOCX, and TXT.

Encrypted file support

Password prompts for protected PDFs/DOCX so nothing gets missed.

Side‑by‑side comparison

Highlight exact and near sentence matches to review changes quickly.

Rich previews

Preview PDFs inline and render DOCX as clean HTML for fast review.

Archive with auto‑cleanup

Soft‑delete duplicates and let them auto‑expire in 7 days.

Zip downloads

Export an entire folder (with structure) as a single zip.

Smart thresholds

Tune near‑duplicate sensitivity live to fit your documents.

How it works

Step 1

Upload folders

Select a folder and we preserve its structure while extracting text from PDFs, DOCX, and TXT.

Step 2

Detect duplicates

We compute robust signatures and similarities to find exact and near duplicates—even with minor edits.

Step 3

Review & clean

Preview, compare sentences, archive unwanted copies (auto‑expires), or download cleaned folders as zip.