A few months ago I needed to turn a PDF into a Word document. Ten-second job, right?
Here's how it actually went:
- Site 1: "Your file is being processed…" with a 30-second countdown next to three ads.
- Site 2: Converted fine. The download had a big watermark across the first page.
- Site 3: "You've used your 2 free conversions today. Upgrade to Pro."
- Site 4: Wanted me to create an account before the download button showed up.
And every one of them had the same quiet problem: I had no idea what happened to my file afterwards. It was a contract. Was a copy still sitting on some server?
After that I started paying attention to what a good converter should look like. My checklist ended up being short:
- No sign-up
- No watermark
- No countdown or daily cap
- A clear answer to "is my file stored?"
- Honest about what it can't convert well
The one I use now: Filembly
👉 filembly.com meets all five.
What it converts
Documents
- PDF → Word and Word → PDF
- Word → TXT, TXT → PDF
Images
- JPG, PNG and WEBP in every direction, e.g. PNG → WEBP for faster websites
Spreadsheets
- Excel → CSV and CSV → Excel
Plus the everyday PDF and image stuff
- Merge PDF: combine files in the order you choose
- Split PDF and remove PDF pages
- Image to PDF: phone photos of receipts into one PDF
- Compress and resize images
It also works in English, Spanish, French, German, Portuguese and Italian.
What "private" means here
- Files are converted in memory and sent straight back. Nothing is written to disk, and nothing is kept after download.
- File contents aren't logged.
- Uploads are checked by extension, MIME type and the file's actual byte signature, so a renamed file gets rejected.
- EXIF data is stripped from images, so your phone's GPS location doesn't travel with the output.
The file does go to a server to be converted. It just doesn't stay there.
What I like most: it tells you the truth
- PDF → Word extracts text, not exact layout. It says so before you convert.
- Scanned PDFs get a clear error instead of an empty document.
- Password-protected files are rejected with an explanation.
- Excel → CSV exports the first sheet with formulas as values, and it tells you.
Quick tips whatever tool you use
- Use WEBP for website images. It's usually much smaller than JPG/PNG at the same quality (PNG vs WEBP).
- Use PNG for screenshots and logos, JPG for photos (JPG vs PNG).
- If PDF → Word gives you nothing, the PDF is probably a scan (why that happens).
What's the worst file-converter experience you've had? 👇
Disclosure: I'm part of the team behind Filembly. Feedback on files that convert badly is very welcome.
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