Guides & how-tos
Clear, step-by-step guides for everyday file tasks — merging, converting, compressing and cleaning up your files. Every tool we describe runs privately in your browser, so your files are never uploaded.
How to Merge PDF Files for Free (Without Uploading Them)
Combine two or more PDFs into one file in seconds — right inside your browser, with no upload and no sign-up.
How to Split a PDF and Extract Only the Pages You Need
Pull single pages or a range out of a PDF, or break a big document into separate files — free, private and in your browser.
How to Compress a PDF and Make It Small Enough to Email
Shrink a large PDF so it fits under email and upload limits — privately, in your browser, with no upload to a server.
How to Convert PDF Pages to JPG Images (Free and Private)
Turn any PDF page into a JPG image you can post, paste into a slide, or share as a photo — all inside your browser.
How to Reduce Image File Size Without Losing Much Quality
Make photos small enough to email or upload while keeping them looking good — with a simple quality slider, in your browser.
How to Resize an Image and Convert Between PNG, JPG and WebP
Change an image to the exact size you need and switch its format — keeping it sharp and never uploading it.
How to Remove the Background From a Photo for Free
Erase a photo background and get a clean, transparent PNG — using in-browser AI, so your image is never uploaded.
How to Remove Duplicate Rows in Excel or CSV
Clean up a spreadsheet by deleting repeated rows — match the whole row or one key column, privately in your browser.
How to Merge Multiple Excel and CSV Files Into One
Combine many spreadsheets into a single file, lined up by column — free, private and right in your browser.
Why In-Browser File Tools Are Safer Than Upload-Based Converters
Most online file tools upload your document to a server. Here is why that is a risk, and how in-browser tools avoid it.