Guides
Short, practical answers to everyday file problems — each one ends with the tool that solves it.
How to compress images for a website (JPG, PNG, WebP)
Images are the heaviest part of most pages. A practical workflow for resizing, choosing formats and compressing so pages load fast and score well on Core Web Vitals.
How to compress a video for WhatsApp (and keep it watchable)
Phone videos are often too big for WhatsApp, and WhatsApp shrinks them badly on its own. How to trim, compress and send a clip so it arrives sharp.
How to convert iPhone MOV videos to MP4
iPhone videos come as .MOV files, often in HEVC, that Windows, older Android phones and upload forms reject. How to get a playable MP4, and how to avoid the problem.
How to send a spreadsheet so it looks the same for everyone
Excel files break on the other person's screen: fonts shift, columns split across pages. When PDF is the right format for sending numbers, and how to get a clean one.
How to edit a PDF by converting it to Word
A PDF is a finished document, not an editable one. When converting to Word works, when it fails, when you do not need to convert at all, and how to get a clean .docx.
How to extract audio from a video as MP3
Pull the soundtrack out of an MP4, MOV or WebM as MP3, pick the right bitrate, cut the part you need and get it under messenger and upload limits.
How to copy text from a screenshot or photo (OCR)
Get editable text out of screenshots, photos of documents and scanned pages. Built-in phone and desktop options, browser OCR in 12 languages, and how to fix bad results.
How to create a favicon for your website in 2026
Which favicon files a modern site needs, the HTML to add, how to design an icon that reads at 16 px, and how to fix the old icon that refuses to go away.
Free alternatives to desktop converters, and what online ones do with your files
When the converter built into your OS is enough, how to check whether a site uploads your files, and which jobs can run entirely in your browser.
How to make a GIF from a video (and keep the file small)
Turn a phone clip or a screen recording into an animated GIF in the browser. Choose the moment, the right frame rate and width, and avoid 50 MB files.
How to make a GIF small enough to send anywhere
Chat apps, forums and email all cap uploads. Why GIFs are so heavy, which settings shrink them most, and when to send a short MP4 instead.
How to open HEIC photos on Windows and convert them to JPG
iPhone photos arrive on a PC as .HEIC files that Windows and many sites will not open. Your options, from built-in fixes to batch conversion to JPG in the browser.
How to password-protect a PDF (and remove the password later)
Encrypt a PDF with AES-256 so it opens only with a password, send it safely, and strip the password from your own copy later. Built-in options compared.
How to turn photos into a single PDF on your phone
Combine photos of receipts, ID cards or homework into one readable PDF on iPhone or Android, keep it under upload limits, and avoid sideways pages.
How to reduce a PDF to under 2 MB (or any upload limit)
Government portals, job boards and email cap PDFs at 1 to 25 MB. What makes PDFs large, which fix to try first, and how to hit 2 MB without unreadable pages.
How to remove a background from a photo for free (no Photoshop)
Cut out a person, product or pet and get a transparent PNG in the browser, then put it on white for a marketplace. Built-in options on iPhone, Mac and Windows too.
Instagram image sizes in 2026 and how to resize for them
The pixel sizes for Instagram posts, portraits, stories, reels covers and profile pictures, and a crop-then-resize workflow that keeps photos sharp after upload.
How to sign a contract without printing it
Print, sign, scan, send wastes twenty minutes. Add your signature to a PDF in the browser or with built-in apps, and know which signatures actually count.
Why your 500 GB drive shows up as 465 GB
MB or MiB, KB or KiB, megabits or megabytes: why storage seems to shrink, why upload limits reject files that look small enough, and how to calculate with real numbers.
How to open RAR, 7z and ZIP files without installing anything
Extract RAR, 7z, ZIP and TAR archives in the browser on any device, download only the files you need, and know when built-in tools on Windows, Mac and phones suffice.