Orenvo PDF

Orenvo PDF — Free, Offline PDF & Image Tools

Orenvo PDF is a lightweight desktop app for the document jobs that interrupt everyday work: merging PDFs, shrinking oversized files, building PDFs from images, and converting between image formats. Everything runs locally through a native Rust backend — nothing is uploaded, and no internet connection is required.

Every tool is completely free. No daily limits, no watermarks, no account, and no Pro tier.

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What's included

• PDF Merge — combine multiple PDFs into one, in the order you choose.
• PDF Compress — reduce file size with adjustable compression and a size estimate before export.
• Image to PDF — turn JPG, PNG, or WebP images into a single ordered PDF, with custom page sizes.
• Image Converter — batch-convert images between JPG, PNG, and WebP.

Plus dark/light themes, accent colors, and a configurable output folder.

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Installing it

Orenvo PDF isn't code-signed yet, so both Windows and macOS will show a first-run security warning. This is expected for an independently distributed app.

Windows — "Windows protected your PC":

• Run the installer.
• Click More info, then Run anyway.

macOS — "can't be opened because it is from an unidentified developer":

• Move Orenvo PDF into Applications.
• Open Terminal (Cmd + Space → type "Terminal").
• Run: xattr -cr "/Applications/Orenvo PDF.app" && open "/Applications/Orenvo PDF.app"

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Support

Questions or bugs: support@kenolabs.dev

Website: https://kenolabs.dev/orenvo-pdf 

Privacy Policy: https://kenolabs.dev/orenvo-pdf/privacy