· 4 min read
How to blur faces in a photo before you post it
A class photo, a street scene, a screenshot with a number plate. How to hide faces and details properly, why a light blur is not enough, and what else a photo gives away.
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Blog and guides
Guides to the things people deal with around our tools, from PDFs that will not attach to an e-mail to photos for a listing. Written so that you know where you stand afterwards, even if you never open a tool.
· 4 min read
How to make a presentation without PowerPoint
No Office licence, a borrowed laptop, or just a deck due in an hour. Here is how to go from notes to a designed PPTX, check it and present it, all in the browser.
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How to turn a logo into a vector (PNG to SVG)
The printer wants a vector file and all you have is a small PNG. What vectorising does, which images it works on, and how to get a clean SVG out of it.
Read the article· 3 min read
A message that destroys itself after being read
Some things should be said once and then disappear. How a self-destructing message works, why it deserves more trust than disappearing chat messages, and what it is good for beyond passwords.
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How to send a password without it living in a chat forever
A password sent by email or chat sits there for years, waiting for someone else to open the mailbox. A self-destructing link is readable once, and then there is nothing left to leak.
Read the article· 3 min read
How to trim an MP3 without installing an audio editor
Cutting the silence off a recording, shortening a track, or clipping one answer out of an hour-long interview takes a minute in the browser. No Audacity, no uploads, no learning curve.
Read the article· 2 min read
How to make a GIF from a video that does not weigh 40 MB
Turning a video clip into a GIF is easy. Turning it into a small, smooth GIF takes three decisions: length, size and frame rate. Here is how to get all three right.
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How to transcribe audio to text without typing it yourself
An hour of audio is a day of typing or a few minutes of machine transcription. How automatic transcription works, what it gets right, and how to get a usable transcript out of a recording.
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How to copy text from an image or a scan
A photo of text is just pixels until OCR turns it back into words. How to get clean, copyable text out of screenshots, scans and photographed pages, and what makes the result good or garbage.
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How to password protect a PDF, and when it actually helps
Adding a password to a PDF takes under a minute and costs nothing. What matters more is knowing what the password protects you from, and what it does not.
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How to edit text in a PDF without buying Acrobat
PDFs were designed not to change, which is why editing them feels impossible. Here is what can be edited directly, when conversion to Word is the better route, and how to do both free.
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How to merge PDF files without uploading them anywhere
Joining PDFs is the one job every office needs and every website wants your files for. Here is how the merge actually works, what it does to your document, and how to do it in the browser.
Read the article· 4 min read
Your PDF is too big to e-mail. Here is what is actually in it
Most oversized PDFs are oversized for one reason: photographs. Learn to tell a scan from a text document, pick a sensible compression level, and get under the 25 MB limit without wrecking the file.
Read the article· 3 min read
Why iPhone video will not play on Windows, and how to fix it
MOV and MP4 are not two kinds of video. Understanding the difference explains why your clip refuses to open, and why converting it usually costs nothing in quality.
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Removing the background from a photo: what works and what does not
Background removal is close to magic on some photos and hopeless on others. Here is what decides which one you get, and how to shoot so the tool has an easy job.
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HEIC photos from an iPhone, and how to open them anywhere
Your iPhone saves photos in a format half the internet cannot read. Here is why Apple chose it, when to convert, and how to do it without losing the picture.
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