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Pick the job, and get the whole answer: which way to do it, what to convert, and what to do when it goes wrong. Or drop a file to convert it now.

Short answer

Each page answers one job people convert files for, in full: the ways to do it, which one to choose, the conversion it needs (with the converter ready at the top of the page), and the problems people run into.

Send EPUB and other e-books to a Kindle

Send to Kindle, email, phone or USB cable: which way to use, and the conversions each one needs. Read the answer

Open RAR and 7Z files on a Mac, iPhone or Android

What each device opens on its own, how to open the rest in a browser with no app, and what to do about passwords and split archives. Read the answer

Open iPhone HEIC photos on Windows

Why Windows can’t open iPhone photos, the free way to convert a whole folder to JPG, the $0.99 Windows extension, and the iPhone setting that stops it. Read the answer

Convert a logo or picture to a vector file

Vector or pixels, what print shops ask for, how to trace a PNG or JPG logo to SVG and EPS for free, and what tracing can’t do. Read the answer

Open a Mac DMG file on Windows

What a DMG is, how to get the files out on Windows, an iPad or Android, why the Mac app inside won’t run, and DMG to ISO or EXE. Read the answer

Open a PSD file without Photoshop

See a Photoshop file in your browser and save it as PNG, JPG or PDF; what happens to the layers, and the free editors to use when you need them. Read the answer

Open Pages, Keynote and Numbers files on Windows

The free iCloud.com way that works for all three Apple formats, Pages to Word and PDF without an Apple account, and what to ask the sender for. Read the answer

Convert an image to DXF for laser cutting or CNC

Trace a PNG or JPG into outlines and make a DXF a laser, CNC router or plotter can follow; the size it comes out at, and how to get clean cuts. Read the answer

Batch convert camera RAW photos to JPG

Convert a whole shoot of CR2, CR3, NEF, ARW or DNG files to JPG in one go, what the JPGs will look like, and when to use the camera maker’s free software instead. Read the answer

Put a sharp vector logo into Word or PowerPoint

Which vector format each Office version takes (SVG or EMF), what to do with an EPS Office refuses, and why your logo looks blurry. Read the answer

Open a GIMP XCF file without GIMP

Turn a GIMP XCF into PNG, JPG or PDF without installing GIMP, why Photoshop can’t open it, and what happens to the layers. Read the answer

Reduce a photo to 20, 50 or 100 KB for an online form

Make a photo or signature JPG under the KB limit an application form asks for, set its size in pixels, and fix “file type not allowed”. Read the answer

Use cases

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