Blog
Each post focuses on one tool: what it does, when to use it, and a clear workflow from upload to download. Processing stays in your browser; see our security overview for details.
Image conversion
How to create ICO favicons and app icons from images
Learn how to build multi-resolution .ico files from PNG or other images for browser tabs, Windows shortcuts, and legacy tooling, using client-side conversion only.
How to convert images to JPG (JPEG) for sharing and uploads
Convert PNG, WebP, or other images to JPG with File Utils: reduce file size for email and social platforms, understand transparency trade-offs, and work through the in-browser workflow.
How to convert images to PNG with transparency
Use File Utils to export lossless PNGs from JPEG, WebP, or other sources, including when transparency matters, how file size compares, and the exact steps in the converter.
How to convert images to WebP in your browser
Step-by-step guide to turning PNG, JPG, GIF, and other images into smaller WebP files using File Utils locally in the browser, with quality tips and when to use WebP.
PDF tools
How to combine images into one PDF
Turn JPG, PNG, and other images into a single PDF document: order pages, match page size to your scans or slides, and download locally with File Utils.
How to shrink PDF file size with the PDF compressor
Reduce PDF size by compressing embedded images and streams inside the file. Learn when compression helps, what quality to expect, and how to run it safely in-browser.
How to reorder PDF pages before exporting
Use the PDF Page Editor to see every page, drag thumbnails into the order you need, and export a new PDF, without uploading files to a server.
How to merge multiple PDFs into one file
Combine PDFs in the order you want using File Utils PDF Merger: drag-and-drop ordering, local processing, and what to check before you share the merged document.
How to add a password to a PDF
Protect a PDF with an open password so recipients must enter it to view the file, using File Utils locally, plus password hygiene and sharing tips.
How to split a PDF into separate files per page
Break one PDF into many downloads (one file per page) with File Utils Split PDF: ideal for distributing chapters, invoices, or signed forms individually.
How to export PDF pages as PNG images
Extract every page from a PDF as a high-resolution PNG using File Utils, great for thumbnails, slide grabs, and design handoff, all processed locally.
How to open a password-protected PDF (unlock)
Remove open-password restrictions from a PDF you are allowed to access. Enter the password in your browser, download an unrestricted copy, and learn the ethics and limits.
Open all tools or jump back to the user guide.