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How to Split a Scanned Batch into Separate PDFs
Turn one big scanner file holding many documents back into one PDF per document, using blank separator sheets.
Sep 3, 20266 min read
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How to Add Bates Numbering to a PDF
What a Bates number is, why legal teams need one, and how to stamp a whole production set in your browser.
Sep 3, 20267 min read
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How to Convert HEIC to JPG or PNG Online
Convert iPhone HEIC and HEIF photos to compatible JPG, PNG, WEBP, or AVIF files privately in your browser.
Aug 3, 20266 min read
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Building a DNS Client in the Browser from Scratch
How we encode and decode real DNS packets locally while using DNS-over-HTTPS as the browser-safe network transport.
Jul 29, 20264 min read
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How We Encrypt and Restrict PDFs Entirely in the Browser
A practical look at AES encryption, PDF permission bits, PyMuPDF, Pyodide, and transferable worker buffers.
Jul 29, 20264 min read
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How to Take a PDF Screenshot and Annotate It
Capture exactly the part of a PDF page you need, mark it up, and export it as a PNG, a JPEG, or a vector PDF.
Jul 29, 20266 min read
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How to Remove Background from a Photo Online for Free
Remove the background from any photo in seconds using a free, browser-based AI tool that keeps your images private.
Jul 29, 20265 min read
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How to Resize an Image Online for Free
Crop and resize photos to a square, landscape, portrait, or widescreen shape right in your browser, with no account and no upload.
Jul 29, 20266 min read
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How to Convert Images to PDF Online for Free
Turn JPG, PNG, and other image files into a single PDF document in your browser, with no account and no file upload.
Jul 29, 20265 min read
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How to Create a Free QR Code Online
Generate a custom QR code for any URL, text, email, or phone number with colors and a logo, no account needed.
Jul 29, 20266 min read
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How to Add a Watermark to a PDF
Mark PDF pages with draft, confidential, ownership, or review information.
Jun 30, 20264 min read
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How to Extract Text from a PDF
Copy useful text from a PDF into an editable format for notes, search, or analysis.
Jun 13, 20265 min read
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How to Password Protect a PDF
Add password protection to a PDF before sharing confidential or personal information.
May 29, 20265 min read
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How to Add Page Numbers to a PDF
Add consistent page numbers to reports, manuals, and documents directly in your browser.
May 11, 20265 min read
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How to Rotate PDF Pages and Save Them
Fix sideways or upside-down PDF pages and save the corrected orientation permanently.
Apr 24, 20265 min read
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How to Convert JPG Images to PDF
Turn one or more JPG images into a clean PDF for printing, uploading, or sharing.
Apr 9, 20265 min read
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How to Compress a PDF for Easier Sharing
Reduce PDF file size for email, uploads, and storage while keeping the document readable.
Mar 27, 20265 min read
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How to Split a PDF into Separate Files
Extract selected PDF pages, or divide one large document by page count, file size, bookmarks, or blank separator sheets.
Mar 8, 20267 min read
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How to Generate Free QR Codes
Create a free QR code for a URL or message and download it in a few quick steps.
Feb 21, 20265 min read
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How to Merge PDF Files Online
Combine multiple PDF files into one organized document without installing desktop software.
Feb 3, 20265 min read
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How to Convert PDF to Word Online for Free
Convert a PDF into an editable Word document with a simple, privacy-minded browser workflow.
Jan 12, 20265 min read
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