Filenary Blog
Practical, no-nonsense guides for converting, compressing and protecting your files — all processed right in your browser.
How to Compress a PDF File (Without Losing Text Quality)
Email attachment limits and slow uploads usually come down to one thing: an oversized PDF. Here's what actually shrinks it.
Why iPhone Photos Won't Open on Windows (and How to Fix It)
If a photo from your iPhone shows up as a broken icon on Windows or Android, this is why — and the fix takes ten seconds.
How to Combine Multiple PDFs Into One File
Stop sending five separate PDF attachments. Here's how to combine them into one clean file.
How to Extract Audio (MP3) From a Video File
Need just the audio from a video? Here's how to extract it as MP3 without installing anything.
How to Turn Photos or Scanned Pages Into a PDF
Whether it's a scanned form or a photo of a receipt, here's how to turn images into a real PDF.
Why Browser-Based File Conversion Is Safer Than Uploading to a Server
Every 'free online converter' works the same way: your file goes up to a server first. Here's why that's the part worth questioning.
Converting CSV to JSON (and Back) Without a Spreadsheet App
Pulling a CSV export into an API, or turning JSON into something a spreadsheet can open — here's the quick way.
How to Generate a Genuinely Strong, Random Password
'P@ssword123' passes most strength meters and gets cracked in seconds. Here's what real randomness looks like.
QR Codes Can Be Malicious — How to Check One Safely First
That QR code on a parking meter or restaurant table isn't automatically trustworthy. Here's how to check it first.
When You Actually Need to Convert Markdown to HTML
Written something in Markdown but the platform only takes HTML? Here's the safe way to convert it.