Answers
The questions people actually ask about converting files on a phone — including the ones where the honest answer is "you can't, and here is why".
Can you convert a photo to SVG?No. It's a trace, not a conversion — and how to spot a fake.
Can you convert JPG back to RAW?No. Nothing can. What the tools that claim it actually give you.
Do converter apps upload your files?Many do. How to tell which kind you installed.
Does converting lose quality?Depends on the pair. And no, MP3 to FLAC doesn't fix anything.
A converter without a subscriptionYes. Including free ones already on your phone.
Opening 7z files on iPhoneFiles cannot open 7z, but Convexy can open and create it on-device.
Opening RAR files on iPhoneWhy Files cannot open RAR, and how to extract one safely.
Removing GPS and EXIF from iPhone photosiOS does it free. Here's where, and where it stops.
Is converting files online safe?Depends on the file. The four real risks, without the hysteria.
What is HEIC, and should I convert it?Better than JPG. Keep it. Convert copies when sharing.
Why iPhone apps can't make MP3siOS ships no MP3 encoder. Here is what apps do about it.
Why iPhone apps can't make WebPsiOS reads WebP and refuses to write it. Here is why.