UBUseBrowserTools

DOCX Editor

Upload, edit and save DOCX files privately in your browser with advanced formatting, tables, images, links, page settings and Word export tools built in.

100% private — runs in your browser, nothing is uploaded

Upload a DOCX to edit

Up to 25 MB · processed privately in your browser

or

What is the online DOCX editor?

The DOCX Editor opens a Microsoft Word document as structured, editable content directly in your browser. It is designed for practical revisions when you need to change text, reorganize headings, update lists, adjust formatting, edit tables or add images without uploading the document to a remote conversion service.

The editor includes paragraph and heading styles, font family and size controls, line spacing, bold, italic, underline, strikethrough, text color, highlighting, alignment, blockquotes, code blocks, links, task lists and undo or redo. Table controls can add and remove rows or columns, merge and split cells, toggle header cells and resize columns.

How to edit a Word document

  • Upload a .docx file or open the built-in sample document.
  • Review any import notices shown above the editor.
  • Select text and apply formatting from the toolbar.
  • Insert links, images, lists, quotes, code blocks or tables where needed.
  • Choose Letter or A4 paper, page margins and optional page numbers.
  • Create the edited DOCX and download the new Word file.

The original file is never overwritten. The downloaded filename includes “edited” so the source document remains easy to identify.

How DOCX import and export work

DOCX is a package of XML, media and relationship files rather than a browser-native editing format. On import, the tool converts common Word structure into safe rich HTML. Embedded images are read from the package and displayed inside the editor. On export, the edited document is rebuilt using native Word paragraphs, headings, numbering, tables, hyperlinks, images, page settings and footer fields.

This approach preserves editable structure, but it is not a complete Microsoft Word rendering engine. Common documents round-trip well. Macros, tracked changes, comments, text boxes, SmartArt, embedded objects, equations, complex floating layouts, custom fields and some headers or footers may be simplified or omitted. Always review important output in Word or LibreOffice before publishing.

Private client-side editing

Importing, editing and DOCX creation happen locally in browser memory. Files are not uploaded to this website. This makes the editor useful for private drafts, internal reports, meeting notes and routine document updates. Large documents with many high-resolution images can use substantial memory, so a desktop browser is recommended for complex files.

Frequently asked questions

Does the editor upload my Word document?

No. DOCX parsing, editing and export run locally in your browser.

Will every Word feature be preserved?

Common text, headings, lists, links, tables and embedded images are supported. Advanced Word-only objects may be simplified or omitted.

Can I add and edit tables?

Yes. You can insert tables, resize columns, add or delete rows and columns, merge or split cells and toggle header cells.

Can I save the result as an editable DOCX?

Yes. The tool rebuilds the editor content as native editable Word elements and downloads a new DOCX file.

Does it work on mobile devices?

The interface is responsive, but a desktop browser is recommended for large documents and detailed table editing.

Related guides

Related tools