Strip author, core.xml, and media metadata from DOCX, XLSX, and ZIP files in your browser. — runs entirely in your browser. Free, fast and private.
Load your input in the editor or upload area on the tool page.
Tune any options shown for ZIP / Office Metadata Scrubber to match your task.
ZIP / Office Metadata Scrubber processes everything in your browser with no upload.
Copy, download, or share the output from the results panel.
ZIP / Office Metadata Scrubber is a powerful, free online tool designed to strip author, core.xml, and media metadata from docx, xlsx, and zip files in your browser. As part of our Privacy & Compliance collection, it provides a fast, reliable and privacy-focused solution that runs entirely in your browser.
Unlike traditional online tools that upload your data to remote servers, ZIP / Office Metadata Scrubber processes everything locally using modern JavaScript and browser-native APIs. This means your data never leaves your device, ensuring complete privacy and security.
Whether you are a developer, designer, marketer or content creator, ZIP / Office Metadata Scrubber streamlines your workflow by eliminating the need for multiple tools or manual processes. Simply paste your input, and the tool handles the rest instantly.
The tool is built with performance in mind. It leverages the latest web technologies to deliver results in milliseconds, even for large inputs. There are no artificial limits, no sign-up requirements, and no hidden costs — ZIP / Office Metadata Scrubber is free to use, forever.
Processes data instantly with no server round-trips.
Your data never leaves your browser. Nothing is uploaded.
Works in any modern browser. Nothing to download or install.
No limits, no sign-up, no credit card required.
Works on desktop, tablet and mobile devices.
Beautiful in both themes. Your preference is saved.
Keyboard shortcut
Speed up your daily workflow with instant formatting and conversion.
Clean up text, generate placeholder content and format documents.
Optimize meta tags, analyze content and generate structured data.
Answers for this tool. For site-wide help, open the FAQ hub.
No. JSZip processes the file in this tab.
Not safely on your local binary. This tool edits the Open XML package on-device.
Generators and hashers run locally. Still, never paste production secrets into any site if your security policy forbids it.
Results live in page memory until you leave or clear. Favourites/history do not save password fields unless you explicitly store them in Vault.
When applicable, tools rely on Web Crypto or well-known libraries. Read on-page notes for exact algorithms (SHA-256, bcrypt-style notes, etc.).
After load, crypto helpers typically work offline. Confirm network independence for your threat model.
Browser CSPRNG (crypto.getRandomValues) powers secure generators when the tool states so.
Treat generated secrets like passwords — share only through approved password managers, never chat apps.
OneDevToolkit aids technical workflows; it is not a certification product. See Compliance for processing model language.
Always check you are on your real OneDevToolkit domain before entering sensitive material.
Contact us via Contact with responsible-disclosure details — do not include live production secrets.
ZIP / Office Metadata Scrubber strip author, core.xml, and media metadata from docx, xlsx, and zip files in your browser. It runs in your browser on OneDevToolkit and is free to use.
Processing is designed to stay on your device. Your inputs are not uploaded to OneDevToolkit servers for client-side tool execution.
After the page and any required libraries load, ZIP / Office Metadata Scrubber continues to work without a network connection in most cases.