Compress DOCX: Reduce Word File Size Online
Compress DOCX files online: this Word file compressor shrinks oversized photos and repacks the document at maximum compression, so the file gets smaller while text and formatting stay exactly the same.
Most tools never upload your files
How to compress a DOCX file online free
To compress a DOCX file, drop the Word document here and click Compress DOCX. The tool shrinks large JPEG photos inside the file and repacks the whole document with maximum compression, then shows the size before and after. Text, styles, tables and layout are not touched, the document never leaves your browser, and the result downloads as -compressed.docx.
How to reduce Word file size online
- Add one or more .docx files.
- Leave Also shrink large images on for the biggest saving, or turn it off to keep every picture byte for byte.
- Click Compress DOCX.
- Check the before, after and reduction figures, then download. Several files come as a ZIP.
What this DOCX compressor changes
| Part of the document | What happens |
|---|---|
| JPEG photos larger than 150 KB | Scaled to at most 2000 px on the longest side and saved again at quality 78, only if that makes them smaller |
| Small JPEGs, PNG, GIF and other images | Kept exactly as they are |
| Text, styles, tables, headers, comments | Unchanged |
| The DOCX package itself | Repacked with the strongest ZIP (DEFLATE) level |
A DOCX file is a ZIP archive of XML files and media. Photos pasted straight from a phone are often 3 to 5 MB each, which is why a ten page report can reach 30 MB. 2000 pixels is still sharp on a full page printed at about 170 DPI, so the document looks the same on screen and on paper.
When the file barely gets smaller
If a document is mostly text, or its pictures are PNG screenshots or already small, there is little to remove. In that case the tool keeps your original file and tells you so, rather than handing back something larger. For a document that must be tiny, for example for an upload portal, convert it with Word to PDF and then compress the PDF, which can lower image resolution much further.
Typical uses
- Email attachments that exceed the 20 to 25 MB limit of Gmail or Outlook.
- Job applications and university portals with a size cap per file.
- Reports full of phone photos that are slow to open and sync.
- Shared drives where many versions of the same heavy file pile up.
- Theses and project reports with dozens of scanned figures that a supervisor has to download.
Tip: compress a copy first and compare both files side by side before you replace the original.
Private and free
Compression runs in your browser with JavaScript, so confidential contracts, CVs and reports are never uploaded. There is no sign up and no watermark. Only .docx files are supported: open an old .doc in Word or LibreOffice and save it as .docx first. Related tools: Word to PDF, compress PDF, PDF to Word.
Features
- Shrinks JPEG photos over 150 KB to at most 2000 px
- Repacks the DOCX at maximum ZIP compression
- Text, styles, tables and layout stay untouched
- Shows size before, after and the reduction
- Keeps your original if it cannot be made smaller
- Several files at once, ZIP download
- Runs in your browser: no upload, no sign up
Frequently asked questions
How do I compress a DOCX file?
Drop the Word file on this page and click Compress DOCX. Large photos are shrunk, the file is repacked, and you download a smaller .docx with the same content.
How can I reduce Word file size online for free?
Use this DOCX compressor: it is free, needs no account and runs in your browser. Keep Also shrink large images switched on, because photos are usually what makes a Word file big.
Will compressing change my formatting?
No. Only large JPEG photos are re-encoded and the ZIP package is repacked. Text, fonts, styles, tables and page layout are not changed.
Can I compress an old .doc file?
Not directly. Open the .doc in Word or LibreOffice, save it as .docx, then compress it here.
Why did my DOCX file barely change in size?
The document has little to remove: mostly text, PNG screenshots or photos that are already small. The tool then keeps your original file.
Is my document uploaded to a server?
No. The DOCX is processed entirely in your browser and never leaves your device.