Guides
Practical, no-nonsense how-tos. Every tool here runs in your browser — nothing is uploaded.
How to remove a password from a PDF without uploading it
Remove a known password from a PDF entirely in your browser, nothing is uploaded. A safe, private way to unlock a PDF you can already open.
Read guideHow to convert YAML to JSON (nested keys, lists, and the gotchas)
Convert YAML to JSON correctly, including nested maps, lists, and multi-line strings, right in your browser, with nothing uploaded.
Read guideHow to convert JSON to CSV, including nested objects
Turn a JSON array into a clean CSV, flattening nested objects and escaping commas and quotes correctly, in your browser, with no upload.
Read guideHow to compress a PDF so it fits in an email
Email limits sit around 25 MB and scan-heavy PDFs blow past that. Here's how to shrink a PDF in your browser without wrecking the quality or uploading it.
Read guideHow to copy text out of a screenshot or scan
OCR turns the text inside a screenshot, photo or scan back into editable words. Here's how to do it in your browser, with nothing uploaded.
Read guideHow to put a password on a PDF
A password on a PDF means only the person with it can open the file. Here's how to add one in your browser, with the document never leaving your device.
Read guideHow to split a PDF or save just a few pages
Sometimes you only need a few pages of a PDF. Here's how to split one, or pull out a page range, in your browser at original quality.
Read guideHow to combine several PDFs into one
Turn a stack of separate PDFs into one clean file, in the right order, with no watermark. Here's how, all in your browser.
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