Add Header to Word Document
This tool allows you to add a header to a Word document directly from your browser. No uploads, no installation, no registration. Processing is instant and 100% local.
Drag and drop your Word files here or click to browse
Accepted formats: DOCX, DOC
Supported formats
How it works
Step 1
Import your Word document (.docx)
Step 2
Launch the operation with one click
Step 3
Download the result immediately
Common mistakes to avoid
- En-tête trop chargé : prend de la place sur le corps du texte.
- Oublier de différencier la première page (souvent sans en-tête).
- En-tête identique sur toutes les sections : peu pertinent pour les documents structurés.
Pro tips
- Utilisez les sauts de section pour des en-têtes différents par chapitre.
- Limitez l'en-tête à : titre du document, nom de chapitre ou logo.
- Activez "Première page différente" pour les couvertures de rapports.
Confidentiality guaranteed
100% local processing in your browser. Your Word documents never leave your device and are never sent to our servers.
Online Solution to Add a Header to a Word Document
No need for Microsoft Word, LibreOffice, or a paid third-party service to add a header to a Word document. Our web tool works instantly from any modern browser on Windows, macOS, Linux, Android, or iOS.
Compatible from Word 2007 to Microsoft 365
The tool supports any .docx file generated by Microsoft Word, Word Online, Microsoft 365, LibreOffice Writer, Pages, or Google Docs (.docx export).
No Registration Required
No account, no email, no credit card. You import your file, you get the result. That's it.
Total Confidentiality Thanks to Local Processing
Your Word document is processed entirely within your browser via modern JavaScript APIs. Nothing is sent, nothing is stored, no activity log contains the content of your files.
GDPR Compliant by Design
As no personal data is transmitted, the tool is GDPR compliant by default for processing sensitive documents.
Ideal for Confidential Documents
Contracts, pay slips, internal reports — use the tool with complete peace of mind, your files never leave your machine.
Why Choose Convertly Docs for Word Header Addition?
Convertly Docs offers a comprehensive suite of free Word tools on the web. You benefit from a consistent, fast, multilingual (25 languages), and privacy-respecting experience.
Fast and Lightweight
Instant processing via WebAssembly and JSZip in the browser. No server waiting, no processing queue.
A Complete Suite
Discover other Word tools: conversion, extraction, anonymization, compression, watermarking, headers, footers, and more.
Why use this free online Word tool?
This free Word tool simplifies common operations (create, edit, merge, split, convert, protect, sign) without installing Microsoft Word or heavy software. It works in every browser (Chrome, Firefox, Safari, Edge) on Windows, macOS, Linux, Android and iOS, with an interface designed for beginners and professionals alike (students, freelancers, SMBs, public bodies).
Quality, layout and fidelity of the result
The result depends on the source file and the options you choose: a high-fidelity Word document keeps the original layout, while an optimized conversion reduces file size. Our engine preserves fonts, images, tables, hyperlinks and document structure for a faithful render — ready to print, edit or share by email.