All Articles

Kindle file types can feel confusing. But once you know what works, sending and reading your files gets a lot easier.

Learn when HTML’s flexibility beats PDF’s consistency, and vice versa. Master the key differences to choose the right format for web, print, and SEO.

Transform PDF chaos into organized efficiency with AI tools that help you sort, categorize, and extract insights from documents in seconds.

Use AI to review PDF files fast. Turn long reports into clear, searchable summaries you can share and act on faster. It’s free with no sign-up needed.

Redact PDF files in a few clicks, not with risky black boxes. Protect sensitive text and images before you share any document—fast and free.

Convert TIFF and TIF files to JPG online in seconds. Shrink image sizes for web, email, and storage while keeping them clear and easy to share.

Annotate PDF Windows in a few clicks. Choose built-in tools, online options, or desktop apps to highlight, comment, and mark up any file.

Download free Microsoft Word invoice templates and learn how to customize them for your business. No design skills needed, just edit, save, and send.

Make any scanned PDF searchable in under a minute. Turn images into real text you can search, copy, and edit with online OCR.

Fix PDFs saving as HTML files in Chrome and Firefox with these quick browser settings changes and file association tweaks.

Frustrated by black boxes ruining your PDFs? Learn the common causes and get step-by-step fixes using simple tools to restore your documents fast.

Yes, Kindle can read PDF files. The reading experience is useful in many cases, but it has clear limits compared to native Kindle e-book formats.

Send PDF to Kindle in three simple ways. Prepare, send, and read your documents comfortably on any Kindle model or app in under a minute.

Need to add a tick mark in a PDF checkbox? We’ll show you the simplest ways using different methods, depending on the PDF you’ve got.

Make your PDF black and white without guesswork. Save ink on every print and keep a clean, readable version you can reuse anytime.

Print PDFs confidently on any device. Follow clear steps for Windows, Mac, iPhone, and Android so every document comes out the way you expect.

Need to stamp a PDF as approved, reviewed, or confidential? Learn how to add a stamp to any PDF in seconds for free, with no downloads needed.

PDF not printing in color? You can usually fix it by changing a few printer settings, updating drivers, or switching how you open and print the file.

Compare PDF/A vs PDF/X vs PDF/E—we help you pick the right format for archiving, printing, or engineering without guessing every time.

Set a PDF expiry date to control how long others can view your file. Keep sensitive documents secure with simple access limits.

Compare PDF vs EPUB to understand how layout, readability, and device support differ so you can choose the best e-book format for your needs.

Extract text from images in PDF with our online OCR. Turn scans and screenshots into searchable, editable text in under a minute.

Convert PPT to PPTX format in seconds with Smallpdf. Keep every slide, layout, and animation intact while you update to the modern format.

Convert XLS to XLSX format online in a few clicks. Keep your Excel data, formulas, and formatting intact with our secure browser-based converter.