Drag & drop your files here
Max 20 files • Max file size: 100MB
Accepted formats: .docx
Automatically optimize embedded images to shrink file size
Word document compression reduces file size by optimizing embedded images—the #1 cause of large DOCX files. Unlike Microsoft's manual method (Picture Format → Compress Pictures for each image individually), this tool automatically extracts all images from the DOCX container (which is actually a ZIP archive containing XML files + word/media/ folder), compresses them using browser-image-compression library, and repacks everything with maximum ZIP compression.
DOCX files are ZIP archives internally—XML files stored in compressed format. But embedded images inside are often uncompressed or minimally optimized. A single high-resolution photo can add 5-10MB to your document. This tool processes the entire word/media/ folder automatically: resizes images to appropriate dimensions (2400px for print, 1920px for balanced, 1200px for email, 800px for maximum), converts PNG to JPEG (60-80% smaller for photos), applies optimal JPEG quality, and optionally removes revision history (track changes) and comments.
Depends on document content. Image-heavy documents (proposals with photos): 60-80% reduction. Mixed content (reports with screenshots): 40-60%. Text-only documents with few images: 10-30%. Text quality always preserved perfectly (vector-based, not affected by image compression).
Automated image optimization—faster than Microsoft's manual method
Drag and drop DOCX files onto the page, or click "Choose Word Documents" to browse. Up to 20 documents at once (100MB maximum per file). Accepts DOCX format only (Word 2007+). File never leaves your browser—processed locally using JSZip and browser-image-compression.
Four quality presets: High Quality (92% image quality, 2400px, 30-50% reduction, print-ready), Balanced (80%, 1920px, 50-70%, recommended), Email Ready (70%, 1200px, 60-75%, targets <25mb (60%, (author, (track 70-80%, 800px, and automatically balanced changes). comments, company). email everything files). for history limits), maximum metadata p preset ready revision revisions, size.< smallest strips>
Processing takes 3-8 seconds per document depending on size and number of images. Download individually or as ZIP for batches. Powered by JSZip v3.10.1 (ZIP extraction/repacking) + browser-image-compression v2.0.2 (image optimization from CDN). Sequential processing (one document at a time). "Never return larger" guarantee on per-image basis—if compressing an image makes it larger, original kept.
Understanding what makes Word files bloat
Biggest factor: Single high-resolution photo = 3-8 MB uncompressed. Insert 5 photos into Word = 15-40 MB document immediately.
Example: Text content (10-page document): 50-200 KB. 5 photos from iPhone (12MP each): 20-35 MB. Total: 20-35 MB (99% is images). iPhone photo: 4032×3024 pixels. Needed for Word on screen: 1920×1440 pixels. Result: 4.3x more data than necessary.
Inserting an Excel spreadsheet or PDF embeds THE ENTIRE FILE inside Word document—not just visible portion.
500 KB Excel file embedded = +500 KB to DOCX size. Most users don't realize this. Link to files instead of embedding when possible.
Every edit stored as XML markup. Heavily-edited documents (legal contracts, collaborative drafts) accumulate 10-30% file size from revision history.
Example: 50 rounds of edits on 5-page contract = 2-5 MB of track changes data. Balanced/Email Ready/Maximum presets strip this automatically.
Comments stored in separate XML file (word/comments.xml) with markers throughout document.
Not huge impact (typically 50-500 KB per document), but legal/academic documents with 100+ comments can save 500KB-1MB by removing. Email Ready preset strips automatically.
Word prioritizes quality preservation over file size. Automatic compression could degrade images unintentionally.
Users can manually compress images (Picture Format → Compress Pictures) but this requires selecting each image individually—tedious for documents with 10+ images. This tool automates the entire process in one click.
Choose your quality vs file size trade-off
Settings: 92% image quality, 2400px max dimension (~300 DPI at 8" width), keeps revision history, keeps comments, keeps metadata.
When to use: Documents for print shops, professional portfolios, archival copies. Not for email (files still large).
Settings: 80% image quality, 1920px max dimension (HD), removes revision history, keeps comments, keeps metadata.
Sweet spot: Best balance for most Word documents—significant size reduction without noticeable quality loss. General purpose, digital distribution, screen viewing, 90% of use cases.
Settings: 70% image quality, 1200px max dimension (web-optimized), removes revision history, removes comments, removes metadata (author, company).
Target: Keep documents under 5-10MB for reliable email delivery (Gmail/Outlook 25MB limit). Good for screens, minor compression artifacts at zoom, text remains perfect.
Settings: 60% image quality, 800px max dimension (screen-only), removes all optional data (revisions, comments, metadata).
Warning: Acceptable for screen viewing, visible image artifacts. Text remains readable. Not suitable for printing or professional use. Good for storage optimization, internal drafts.
Shrink Word documents to fit email size limits
Most common provider. Attachments over 25 MB are automatically converted to Google Drive links.
Often lower for corporate accounts (typically 10 MB). Check with your IT department.
Strategy: Target 5-10 MB for universal email compatibility across all providers.
15-page proposal with 8 photos from digital camera = 25-40 MB document. Gmail rejects at 25 MB. Outlook rejects at 20 MB. Corporate email rejects at 10 MB. Email Ready preset strategy: 70% image quality (good for screen viewing, acceptable for client presentations), 1200px max dimension (sufficient for email clients), removes revision history (client doesn't need your internal edits), removes comments and metadata for privacy. Result: 40 MB document → 8-12 MB compressed, reliably deliverable via email.
100% browser-based processing with JSZip + browser-image-compression
100% browser-based Word document compression using JSZip v3.10.1 and browser-image-compression v2.0.2 libraries (loaded from CDN, cached locally). Word documents never leave your device—no upload to servers, no storage, no exposure. DOCX files are extracted as ZIP archives locally, images are optimized client-side, then repacked with DEFLATE compression—all in your browser.
NDAs, employment agreements stay private
Client pitches, RFPs never exposed
Budgets, forecasts secured
Performance reviews, personnel files protected
Contracts under negotiation never stored
Resumes, cover letters secured
Microsoft's official documentation provides manual multi-step process: Picture Format → Compress Pictures for each image individually. Tedious for documents with 10+ images. This tool automates the entire workflow in browser—faster, easier, more private than Microsoft's manual method. No POST endpoint in codebase. GDPR compliant by design—no data collection possible.
Everything about compressing Word documents
Add your DOCX file (drag-drop or click "Choose Word Documents"), select Balanced preset for 50-70% reduction with excellent quality, then click Compress. Processing takes 3-8 seconds per document depending on size and number of images. Works entirely in your browser using JSZip and browser-image-compression—files never uploaded to servers.
Compress embedded images (the #1 cause—99% of file size), remove track changes (revision history can add 10-30%), strip comments, clear metadata (author, company), optimize ZIP container. This tool handles all automatically. Balanced preset: 50-70% reduction while maintaining excellent quality for screens and email.
Uncompressed embedded images (single photo = 3-8 MB), embedded objects (Excel sheets, PDFs embedded entirely), track changes bloat (10-30% on heavily-edited documents), comments. Text content is tiny (50-200KB for 10 pages). Images are 99% of typical file size. Word doesn't automatically optimize images when you insert them—stores at original resolution.
Compress document first using Email Ready preset (targets under 10MB for universal compatibility). If still too large after compression (rare), share via cloud link: OneDrive (Microsoft), Google Drive, or Dropbox. Most email providers limit attachments to 25MB (Gmail/Yahoo) or 20MB (Outlook), corporate often 10MB.
Yes. DOCX files are already ZIP-compressed internally (XML files stored in compressed archive), but embedded images inside are often uncompressed or minimally optimized. This tool extracts the ZIP archive, compresses all images in the word/media/ folder, then repacks with maximum DEFLATE compression. Typical reduction: 40-80% depending on image content.
Text quality always preserved perfectly (vector-based, not affected by image compression). Image quality may reduce slightly with lossy compression. Balanced preset (80% image quality) shows minimal quality loss—excellent for screens, good for printing. High Quality preset (92%) for near-lossless. Email Ready/Maximum show more compression artifacts but text remains perfect.
Word built-in method: Select picture → Picture Format → Compress Pictures → Choose quality. Repeat for each image individually (tedious for 10+ images). OR use this tool: automatically compresses all images in one click. Our tool is faster, easier, and processes entire document including track changes and comments removal—more comprehensive than Word's built-in feature.
Depends on preset. High Quality: nothing removed (only images compressed). Balanced: track changes removed (accepts all changes, keeps final text). Email Ready: track changes + comments + metadata (author, company, dates) removed. Maximum: all optional data removed. Text content and formatting always preserved. Images optimized based on quality setting.
Yes. Use Email Ready preset—specifically designed for email attachments. Targets 5-10MB for reliable delivery across all email providers (Gmail 25MB limit, Outlook 20MB, corporate 10MB). 70% image quality (good for screen viewing), removes revision history and comments (client doesn't need internal edits), strips metadata for privacy. Typical result: 40MB → 8-12MB.
This tool is 100% browser-based—Word documents never leave your device. Processed locally using JSZip and browser-image-compression. No upload to servers, no storage, no exposure. Safer than tools that require server uploads. For confidential documents (contracts, business proposals, HR files), browser-based processing is the only secure option. GDPR compliant by design—no data collection possible.
Reduce size 40-80% with automated image optimization. Choose High Quality (print), Balanced (recommended), Email Ready (<25mb (smallest). ), browser, files in maximum never or p private stay uploaded.< your>
