New · v1.0.0 for Windows 10 & 11

Squash big files.
Keep them yours.

Crunchy shrinks PDFs, Office documents and images in batches, right on your PC. Drop in files or whole folders, pick a level, get lighter copies. Your originals are never touched.

Download for Windows

v1.0.022.9 MBWindows 10 & 11 · x64Free

What's new

01 / Formats

Eats documents, images and vectors.

One window for the files that clog up inboxes and upload forms. Anything else you drop in is copied along untouched, so folders come out complete.

Documents

Recompresses embedded images, drops editing leftovers, repacks the container.

  • PDF.pdf
  • Word.docx .docm .dotx .odt
  • Excel.xlsx .xlsm .ods
  • PowerPoint.pptx .pptm .ppsx .odp

Images

Re-encodes smarter, optionally downscales, strips EXIF and GPS.

  • PNG.png
  • JPEG.jpg .jpeg .jfif
  • WebP.webp
  • GIF.gif
  • TIFF.tif .tiff
  • BMP.bmp

Vector

Cleans editor cruft, shortens paths and IDs, keeps it pixel-identical.

  • SVG.svg .svgz

02 / Features

Everything you need. Nothing you don't.

No accounts, no upload limits, no watermarks. Just a small, fast tool that does one job properly.

  • Batch everything

    Drop hundreds of files at once. Crunchy works through them in parallel on every core you have.

  • Whole folders

    Drop a folder and Crunchy walks it recursively, rebuilding the same folder structure in the output.

  • Separate files or one ZIP

    Get lighter copies side by side, or everything packed into a single ZIP ready to email.

  • Three levels

    Light keeps quality pristine, Balanced is the sweet spot, Maximum squeezes out every last byte.

  • Strip metadata

    Remove EXIF, GPS location, authors and editing history. Photos are rotated upright first.

  • Originals untouched

    Crunchy only writes new copies and never overwrites anything, not even its own earlier output.

  • Auto-updates

    Checks a tiny manifest and updates itself in one click. No store, no account, no nagging.

  • Offline & private

    Files never leave your PC. No uploads, no telemetry. It works just as well on a plane.

03 / How it works

Three steps. Zero learning curve.

  1. Drop

    Drag files or whole folders onto the window, or click to browse.

  2. Choose

    Pick a level, separate files or one ZIP, and where to save.

  3. Crunch

    Hit Compress and watch the savings add up, file by file.

Private by design

Your files never leave your PC.

Everything runs locally. Crunchy has no servers to upload to, no account to sign into and no analytics to report back. The only request it ever makes is a peek at a tiny update file.

  • No uploadsWorks fully offline
  • No telemetryNothing phones home
  • No overwritesOriginals stay put

04 / FAQ

Questions, answered.

Something else? Say hi at h190k.com.

Is Crunchy free?

Yes. Crunchy is free to download and use: no ads, no accounts, no trial and no paywalled levels.

Is it safe? Are my files uploaded anywhere?

Never. All compression happens locally on your PC and your files never leave it. Crunchy writes new, smaller copies and never modifies or overwrites your originals. The only thing it ever fetches from the internet is a tiny update file, /update/latest.json.

Which versions of Windows are supported?

Windows 10 and Windows 11, 64-bit (x64).

Why does Windows show a SmartScreen warning?

Crunchy isn't code-signed yet (certificates are expensive for an indie app), so SmartScreen may say it "protected your PC" the first few times. Click More info, then Run anyway. If you want to be sure the file is genuine, compare its SHA-256 with the one on the download page.

How much smaller will my files get?

It depends on what's inside. Scanned PDFs, photo-heavy decks and camera JPEGs often shrink by 50–80%. Files that are already well compressed may barely move. If Crunchy can't make a file smaller, it keeps the original bytes and marks it Already optimized.

What happens to files it can't compress?

By default they're copied into the output unchanged, so a folder you drop comes out complete. You can switch that off to only get the compressed files.

How do updates work?

Crunchy checks a small manifest on this site. When a new version is out it offers to download it, verifies the SHA-256 checksum, and runs the installer for you.

Ready to crunch?

Free for Windows 10 & 11. Installs in seconds, updates itself.

Download for Windows

v1.0.022.9 MBWindows 10 & 11 · x64Free