Why do logo file formats trip people up?
Most people meet logo file formats at the worst possible moment: a printer asks for a vector or an EPS, a developer asks for an SVG, and the only file you have is a low-resolution JPG you pulled off your own website. Suddenly a quick job is stuck because the file you own will not do what is needed. The reason this happens so often is that the format that is easiest to grab, a JPG or a screenshot, is the one least suited to a logo. The formats that actually serve a logo are the ones nobody hands you unless you ask.
The good news is that the whole topic comes down to one core distinction and a short list of files to keep. Once you understand the difference between vector and raster, every format slots into place, and you can assemble a small kit that covers nearly every situation you will ever face. Do that once, store it somewhere safe, and you will never be the person emailing a blurry logo to a sign shop the day before an event.
What is the difference between vector and raster?
Every logo file is either vector or raster, and this is the distinction that explains everything else. A raster file, such as PNG or JPG, is made of a fixed grid of pixels. It looks fine at the size it was saved, but blow it up and the pixels show, leaving the logo soft or blocky. A vector file, such as SVG, EPS, or PDF, stores the logo as mathematical shapes and curves instead of pixels. Because it is described by geometry rather than a fixed grid, it can be scaled from a tiny favicon to the side of a truck and stay perfectly crisp at every size.
That is why a vector is your master file. It is the one source you keep, the one you send when someone needs to resize or reprint, and the one you generate all your other files from. Raster files are exports for specific uses, made from the vector when a particular size or a screen-friendly format is needed. If you remember nothing else, remember this order: keep the vector, export the rasters. A logo that exists only as a raster is a logo with a ceiling, and you will eventually hit it.
What is each format actually for?
You do not need every format for every job. Here is the plain-English purpose of the five you will meet most, so you can pick the right one without guessing:
- SVG. The web vector. Scales perfectly, stays sharp on any screen, and is small. This is the format developers want for a logo on a website, and it is ideal for crisp display at any size.
- PNG. The everyday web raster. Supports transparent backgrounds, so it sits cleanly on any color. Export it at the sizes you use most for social avatars, email signatures, and document headers.
- EPS. The classic print vector. Older but still widely requested by professional printers and sign makers. Keep one on hand because print vendors often ask for it by name.
- PDF. The universal vector that opens almost anywhere. Great for sharing a logo with someone who needs a scalable file but may not have design software, and reliable for print.
- JPG. A compressed raster with no transparency. Fine for a quick photo-style placement on a solid background, but the weakest choice for a logo because of the missing transparency and compression artifacts.
What file kit should I keep?
Rather than memorize formats, build a small kit once and store it where you will find it later. At the center is your vector master, ideally saved as both SVG and a print-friendly vector like EPS or PDF. From that master, export a set of transparent PNGs at a few practical sizes: a large one for presentations, a medium one for documents and email, and a small one sized for an app icon or favicon. Those PNGs cover the everyday screen uses where a vector is overkill or unsupported.
Crucially, make this kit in more than one color treatment. You want a full-color version, a single-color black version, and a single-color white version of the logo, each in vector and as transparent PNGs. The reason is simple: your logo will land on white backgrounds, on dark headers, on a printed form, and on a one-color stamp or embroidered shirt, and a logo that only exists in its full-color gradient will fail several of those. A mark that holds up in one flat color travels everywhere. If you designed your logo well, you tested it in one color already, so exporting these variants is quick.
How do I keep from losing the right files?
A logo file kit is only useful if you can find it. The most common failure is not choosing the wrong format, it is saving the files somewhere scattered and then, a year later, having only the JPG that happened to be on the website. Put the whole kit in one clearly named folder, keep a backup in cloud storage, and treat the vector master as the original you never overwrite. If a tool or designer made your logo, ask for the editable source file too, so a future change does not mean rebuilding from a flattened export.
When you hand the logo to a printer, a developer, or a sign maker, ask what they need rather than guessing, then send that exact file from your kit. A developer will almost always want the SVG; a printer will often want a vector EPS or PDF; a quick social post just needs a PNG. Because you kept the vector master, every one of those is a fast export rather than a scramble. For the bigger picture, our file formats guide goes deeper, and once the files are sorted, the branding guide covers using the logo consistently.