Guides

Short, practical answers to everyday file problems, each paired with a free tool that runs in your browser.

Video Guides

All video guides
Discord file size limit: 20 MB free, and how to send a bigger videoDiscord's free upload limit is now 20 MB, up from 10 MB. What fits in 20 MB, why Discord still rejects some smaller files, and four ways to send a longer video.4 min readHEVC Video Extensions: do you need to pay for them?Why Windows asks for the HEVC Video Extensions, what the $0.99 codec does, and three free ways to play iPhone and H.265 videos on a PC without buying it.3 min readHEVC vs H.264: which video codec should you use?HEVC (H.265) makes video files about half the size of H.264 at the same quality, but far fewer devices can play it. Which to use for recording, sharing and uploading.3 min readMOV vs MP4: which is better, and does converting lose quality?MOV and MP4 usually hold the same video, so quality and size are identical. The real differences are compatibility and the codec inside — and when converting is lossless.3 min readWebM vs MP4: which video format should you use?WebM is the open web format; MP4 plays on everything. Quality, file size and compatibility compared, and which to use for websites, sharing, editing and uploads.2 min read

Spreadsheet Guides

All spreadsheet guides
How to convert CSV to Excel without losing formatting or leading zerosConvert CSV to Microsoft Excel without dropping leading zeros, corrupting dates, or breaking text delimiters. Fast, free and 100% private in-browser guide.3 min read

Stock Guides

All stock guides
IRS Wash Sale Rule explained: 61-day window, cost basis and tax harvestingUnderstand the IRS 61-day wash sale rule, how disallowed losses adjust cost basis, holding period tacking, and how to harvest tax losses safely.3 min read