Guides
Walkthroughs for the file problems people actually hit, each one tested end-to-end against the live tools before publishing, with the trade-offs stated rather than hidden. A guide ends when the task is solved.
Is it safe to upload files to an online converter?
What actually happens to a document you drop into a converter, which questions have checkable answers, and how to test any tool yourself in about ten seconds.
How to get a PDF under 2 MB without making the text unreadable
A decision path for upload limits: try real compression first, know what rasterizing costs, and check the result before you send it.
How to turn scanned pages into text you can actually search
Recognize when a PDF is really a stack of photos, run OCR in the browser, and know what accuracy to expect.
JPG, PNG or WebP: choosing the right image format for the job
A three-question decision that covers 95% of cases — backed by our measured size data, not folklore.
How to choose DPI when converting a PDF to images
What 72 / 150 / 300 DPI really mean in bytes and readability — from our measured data.
How guides are produced and corrected: editorial policy.