A.Tools - A Collection of Free Online Tools
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Graphics & Images
Date & Time
Text & Characters
Encrypt & Decrypt
Programming & Design
Calculator & Converter
Finance & Investing
Daily Life & Health
Charts & Diagrams
Documents & Files
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Documents & Files
Documents & Files
Invert Colors
Create a "dark mode" version of your PDF.
Header & Footer
Add text to the top and bottom of pages.
Add Watermark
Stamp text or an image over your PDF pages.
Page Numbers
Insert page numbers into your document.
Table of Contents
Generate a table of contents page from PDF bookmarks.
Edit Bookmarks
Add, edit, import, delete and extract PDF bookmarks.
PDF Editor
Annotate, highlight, redact, comment, add shapes/images, search, and view PDFs.
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Featured Tools
Featured tools that you might find useful.
Popular Tools
List of popular tools that users love and frequently use.
New Tools
The latest tools added to our collection, designed for you.
Topics
The tools grouped by topics to quickly find what you need.