PDF tools that never upload your files
Why local processing matters for sensitive documents.
Many online converters send your file to a remote server, process it, and send it back. That is convenient but risky for contracts, medical records, and personal IDs. DConvert runs entirely in your browser.
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Step 1
Your file stays on your device
When you merge, split, or compress a PDF here, the bytes never leave your browser. We have no account system and no file storage.
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Step 2
Pick the tool you need
Browse all PDF tools — merge, compress, extract text, add watermarks, and more — from one hub.
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Step 3
Photos follow the same rule
HEIC, WebP, and AVIF conversion also runs locally. Your camera roll never passes through our servers.
Browse image tools →
Tools for this guide
Merge PDF
PDF merger — combine multiple PDFs into one file. Free pdf combiner, private, no upload.
Protect PDF
Password protect a PDF before email or messaging. Lock files locally — no upload.
HEIC to JPG
Convert iPhone HEIC to JPG. Batch convert photos and download ZIP.
Compress PDF
PDF compressor — reduce file size for email. Shrink scans and image-heavy PDFs.