Guides
The tools on this site solve a problem in one click. These guides explain the problem: why a file is too big, what a format can and cannot hold, what a platform really asks for, and where the honest limits are. Each one ends with the tools that do the work, and all of those run in your browser.
-
How to compress a video for Discord (under 20 MB) without a watermark
Discord's free upload limit is 20 MB since August 2026. Here is what that limit actually allows, how to get a clip under it without turning it into mush, and why you do not need an app or a server to do it.
· 5 min read
-
How to make a video file smaller without ruining it
Four things decide how big a video is: length, resolution, bitrate and codec. Which one to change for email, WhatsApp, a website or a USB stick, the arithmetic behind "fit under 25 MB", and why trimming first is free.
· 5 min read
-
Image compression explained: JPG, PNG, WebP, and how to hit an exact file size
Why a photo is 4 MB, what actually makes it smaller, the real differences between JPG, PNG and WebP, and how to get a file under 100 KB or 200 KB for a form without it turning to mush.
· 5 min read
-
How transcription in your browser works, and why nothing is uploaded
A plain explanation of how a web page can turn speech into text without sending your recording anywhere: the Whisper model, the one-time download, what the Fast, Accurate and Best settings change, and what to expect on a phone.
· 5 min read
-
SRT vs VTT: which subtitle file to use, and how to add it to your video
The two subtitle formats that matter, what is actually inside them, where each one works (YouTube, VLC, Premiere, CapCut, web players), the difference between a subtitle file and burned-in captions, and how to generate and fix one.
· 4 min read
-
PDF to Word without uploading: what converts well, what does not, and how to check
Converting a contract or a report to Word should not mean sending it to a stranger's server. What an in-browser PDF to Word conversion keeps (text, headings, bold, images), what it flattens (tables), what it cannot read (scans), and a checklist for the result.
· 5 min read
-
How to take a passport photo at home that gets accepted
The rules that get home-made passport photos rejected are about the photo you take, not the software. Lighting, distance, background, expression and the exact sizes for the US, UK, EU, India and Canada, plus how to print several copies for the price of one.
· 5 min read
-
300 DPI explained: what print shops actually want from your image
DPI is a number stored in the file, not a measure of quality. What "300 DPI" really asks for, the pixel sizes that print sharp at common paper sizes, when changing the tag is enough, and when you genuinely need more pixels.
· 4 min read
-
HEIC: why iPhone photos will not open on Windows, and every way to fix it
Since 2017 iPhones save photos as HEIC, a format half the size of JPG that Windows, many websites and most printers cannot read. What HEIC is, what you lose by converting, the iPhone settings that avoid the problem, and how to convert without uploading.
· 4 min read
-
What your photos reveal: EXIF, GPS location, and how to strip it before sharing
Every phone photo carries a hidden record: where it was taken, when, on which device, sometimes a thumbnail of the uncropped original. Which apps strip it, which do not, how to check a photo, and how to share a clean copy.
· 4 min read
Looking for exact pixel sizes instead? See the social media image sizes and passport photo sizes reference pages.