Documents & Files - Page 2 - A.Tools - A Collection of Free Online Tools

Fix PDF Page Size

Standardize all pages of your PDF to a uniform size. Resize all PDF pages to A4, Letter, Legal, A3, or custom dimensions. 100% browser-based — no upload needed. Fast, secure, and free.

Reduce PDF file size of your PDF online for free with Compress PDF. Secure, fast, and high-quality PDF compression without watermarks. Optimize documents for email and web instantly. For privacy, all happen right here in your browser, Your documents never leave your device.

PDF Posterizer

Split a large page into multiple smaller pages.PDF posterizer can split large PDF pages into a grid of printable tiles (A4, Letter, A3). Add overlap for easy assembly. 100% browser-based, no upload. Print posters at home.

Compare PDFs

Compare two PDFs side by side or in overlay mode with opacity slider and flicker. Spot visual differences instantly. 100% browser-based, no upload.

PDFs to ZIP

Package multiple PDF files into a ZIP archive. Free online tool to package multiple PDF files into a single ZIP archive. Drag, drop, and download. No upload to servers — 100% browser-based.

Edit PDF Metadata

Change the author, title, and other properties of your PDF. Free online PDF metadata editor. Change title, author, subject, keywords, creator, dates, and add custom properties. No upload — 100% browser-based.

View PDF Metadata

Inspect the hidden properties of your PDF. Free online PDF metadata viewer. Inspect Info Dictionary, XMP metadata, and interactive form fields. No upload — 100% browser-based. See hidden properties of any PDF instantly.

Combine to Single Page

Combine all PDF pages into one continuous page. Customize spacing, background color, and separator lines. No upload — 100% browser-based.

N-Up PDF

Arrange multiple PDF pages onto a single sheet. Place 2, 4, 9, or 16 pages on one sheet. Choose page size, orientation, margins, and border color. No upload — 100% browser-based.