PDF 元資料編輯器

免費·無需註冊·檔案永不離開你的裝置

Drop a PDF file here

或點選瀏覽檔案——檔案全程保留在你的裝置上

無檔案數量限制 · 建議單個檔案不超過 200 MB

100%

的處理在你的瀏覽器中完成

個檔案被上傳到任何伺服器

個賬號、註冊或浮水印

種上線語言

How to edit PDF metadata in 3 steps

The information inside every PDF — title, author, creation history — yours to correct, complete, or erase.

Upload the PDF

Drop the file in the box. Current metadata loads instantly, parsed locally.

Edit or wipe

Update any field — or clear everything with one click for a privacy-clean document.

Download the result

Click Save. The file downloads with your changes, content untouched.

Why edit PDF metadata with AmiPDF

Documents tell stories — control which ones yours tells.

隱私優先

處理完全在你的瀏覽器內完成。不上傳、不儲存、不外傳——絕不。

無需註冊，無浮水印

無賬號、無郵箱、無限制。輸出檔案與輸入完全一致。

One-click privacy wipe

Stripping author names, app trails, and timestamps before sharing removes clues you never meant to include.

任何裝置可用

Windows、Mac、Linux、Android、iOS 上體驗一致——無需安裝。

When to edit PDF metadata

Set a proper title so browser tabs and search results show something meaningful. Fix author attribution before forwarding. And before a document goes public, wipe the creation trail — usernames, editor history, timestamps — that metadata quietly carries.

Editing runs locally; nothing is uploaded.

Contracts & agreements

Reports & proposals

Scanned pages

Invoices & receipts

Presentation decks

E-books & guides

Edit PDF metadata on any platform

AmiPDF 在你的瀏覽器中執行——無需安裝、無需配置、無需更新。

Windows

Chrome, Edge, Firefox

macOS

Safari, Chrome

Linux

Any modern browser

iOS

Safari on iPhone, iPad

Android

Chrome, Samsung Internet

Frequently asked questions

What metadata does a PDF contain?

Title, author, subject, keywords, creator application, and creation/modification dates — plus, in some files, producer trails and edit history.

Does wiping metadata affect how the document looks?

No. Pages, text, and images are exactly the same — only the information-about-the-information changes.

Why wipe metadata before sharing?

Metadata can leak your username, software versions, working hours, and organizational structure. Stripping it is standard hygiene for anything leaving your circle.

Will the title show in browser tabs?

Yes — most browsers and readers display the PDF title field. Setting it makes shared documents look professional.

Can I edit metadata of a scanned PDF?

Yes. Scanned or digital, the metadata layer is the same and edits apply the same way.

Is my file or its metadata uploaded?

No. Reading, editing, and writing all happen locally in your browser.