Free Word, Excel & PDF Tools
DocxLab is an independent laboratory of focused tools for Microsoft Word, Excel, and PDF documents — repair damaged files, check document health, and convert formats with speed and complete privacy.
Select one of the tools above, or pick from the suite below to start instantly:
Fix corrupt XML tags, unescaped characters, and missing relationships in .docx files.
Non-destructive health check for XML syntax, structure, and embedded VBA macros.
Convert DOCX documents to standard PDF with automatic layout formatting.
Convert XLSX workbooks to paginated PDF with sheet-title headings.
Convert Excel sheets into standard RFC 4180 CSV tables with UTF-8 encoding.
Convert delimited CSV and TSV tables into clean Microsoft Excel (.xlsx) files.
Reconstruct editable Word .docx documents from text-based PDF files.
Remove author identity, revision counts, timestamps, and organization metadata from Word files.
Erase title, author, creator software, and modification timestamps from PDF documents.
Compare two Word documents and highlight additions, deletions, and revisions.
Extract all embedded photos and raster images from PDF pages in native quality.
Extract all embedded photos, diagrams, and media from Word (.docx) files.
Stitch multi-page PDFs into one vertical, scrollable PNG or JPG strip.
Open, inspect, search, and preview Excel spreadsheets directly in your browser.
Guides and tips for working with Word, Excel, and PDF files
Specialized Tools. One Clean Architecture.
Each tool runs with maximum client privacy, in-memory execution, and automatic 1-hour file purging.
Microsoft Word & Office Utilities
Word Document Repair
Repairs malformed XML, unescaped ampersands, illegal ASCII control characters, and unclosed tags that cause Microsoft Word to crash with "unreadable content" errors.
Document Health Checker
Non-destructively inspects ZIP compression tables, document.xml syntax, and flags suspicious embedded VBA macros before you open unknown files.
Word to PDF
Converts DOCX to clean, printable A4 PDF documents. Features headless browser rasterization with automatic lightweight vector fallback for 100% uptime.
Excel to PDF
Converts multi-sheet spreadsheets into landscape PDF documents with clear section breaks and sheet titles without truncating column data.
Excel to CSV
Parses .xlsx and .xls workbooks in your browser and exports selected worksheets into standard RFC 4180 CSV tables with UTF-8 encoding.
CSV to Excel
Auto-detects comma, semicolon, or tab delimiters and generates clean, styled Microsoft Excel (.xlsx) workbooks directly in memory.
PDF to Word (Beta)
Extracts text streams from digital PDFs and structures them into editable Word paragraphs and headings. Best for text-heavy reports and essays.
Word Metadata Removal
Strips author identity, last editor, company names, revision counts, and created/modified timestamps from Word docx files with in-memory privacy.
Engineering Blog
Guides and tips for working with Word, Excel, and PDF files. Explore deep-dive technical breakdowns of OpenXML specifications and document recovery.
In-Browser PDF Utilities (100% Client-Side)
Merge PDF
Combine multiple PDF documents into one cleanly formatted file with custom reordering.
Split PDF
Extract specific page ranges or separate all document pages into standalone PDF files.
Compress PDF
Reduce document file size by stripping redundant metadata and compacting stream objects.
Rotate PDF
Permanently rotate individual pages or entire documents clockwise by 90, 180, or 270 degrees.
Watermark PDF
Overlay custom text watermarks with control over rotation angle, opacity, size, and page position.
Protect & Unlock
Encrypt documents with secure 256-bit AES passwords or remove security restrictions from PDFs you own.
Strip PDF Metadata
Zero out author identity, document title, creation software, and timestamps from PDF document dictionary entries.
In-Browser Image Tools (Canvas API)
JPG to PDF
Convert JPG, PNG, and WebP images into a single compiled PDF file.
Compress Image
Shrink JPG, PNG, and WebP photos with custom visual quality control.
Convert Format
Convert images between JPG, PNG, and WebP formats instantly.
Resize Image
Scale image pixel dimensions or percentage with aspect ratio lock.
Guaranteed 1-Hour Ephemeral Cache
Uploaded files live strictly in temporary memory buffers and are purged automatically by a timer after 60 minutes. No long-term disk retention or telemetry tracking.
Private & Frictionless
No password requirements, email capture dialogs, or marketing funnels. Files are processed with complete confidentiality.
Standards-Compliant OOXML
Repairs and conversions conform strictly to the international ISO/IEC 29500 Office Open XML specification for flawless compatibility with Microsoft 365, Word 2013-2024, and LibreOffice.