Your designer just sent you a logo folder with three files: a `.ai`, an `.eps`, and an `.svg`. They all look identical. They're all "the logo." And now the printer wants "the vector file," the developer wants something for the website, and your intern just opened the `.ai` in Preview and is very confused.

Welcome to the AI vs EPS vs SVG debate. Let's end it.

This guide breaks down what AI, EPS, and SVG actually are, when to send each one, and how to stop being the person who emails a printer an SVG and gets a panicked reply three hours later. By the end, you'll know exactly which vector logo format to send to which stakeholder — without having to ask your designer again.

AI vs EPS vs SVG: The Short Version

If you're in a hurry, here's the answer:

• AI — the designer's working file. Keep it in your archive. Don't send it to anyone unless they asked for it by name and know what Adobe Illustrator is.
• EPS — what old-school printers, embroiderers, and sign shops still want. Send it when someone says "I need the vector file" and they're making something physical.
• SVG — what you use on the web. Small, sharp, scales to any screen, and Google can actually read the text inside it.

That covers 90% of the AI vs EPS vs SVG decisions you'll ever make. For the other 10%, keep reading.

What Is a Vector File, Actually?

Quick refresher before we get into the AI vs EPS vs SVG weeds.

A vector file stores your logo as a set of math instructions. Points, curves, fills, strokes. Not pixels. That means your logo can scale to any size without getting blurry. A 16-pixel favicon and a 40-foot billboard can come from the same vector file.

Raster files (PNG, JPG, WebP) are made of pixels. Zoom in too far and you get that pixelated mess we all know. Vector files don't have that problem. They also don't have a "resolution" in the traditional sense. They're resolution-independent.

So here's the rule. If your logo will ever be resized, printed, embroidered, laser-etched, or displayed on a screen larger than a tablet, you need a vector file. Which one? Depends on who's asking. That's where AI vs EPS vs SVG actually matters.

AI Files: The Designer's Workshop

AI stands for Adobe Illustrator. It's Adobe's proprietary vector format, and it's what designers work in when they're actively building or editing your logo.

What's in an AI file

An AI file is basically a project file. It can contain:

• Multiple artboards (different logo versions in one document)
• Layers, masks, and effects
• Linked fonts (which is why fonts sometimes break when you open one)
• Editable, reversible edits
• Whatever experimental nonsense the designer was trying at 2 a.m.

When to use an AI file

Almost never, if you're not a designer. The AI file is for your designer, your design team, and your archive. Here's when it actually matters:

• Archiving the master file. Lose this and the designer disappears? You're rebuilding your logo from scratch. Back it up.
• Handoff between designers. A new designer picks up the project and needs the editable source.
• Major revisions. Going from a wordmark to a combination mark? That's an AI file conversation.

When NOT to send an AI file

• To printers (most of them want EPS or PDF)
• To developers (they want SVG)
• To your cousin who "does design on the side" in Canva (Canva can't open it)
• To anyone who said "just send me the logo" (they don't mean this)

Sending an AI file when someone wanted a PNG is the branding equivalent of handing someone the raw chicken when they asked for dinner. Technically, the ingredients are there. Practically, you've made it someone else's problem.

EPS Files: The Print World's Lingua Franca

EPS stands for Encapsulated PostScript. It's been around since 1987, which in software years is roughly the Bronze Age. And yet, it refuses to die — because print people won't let it.

What's in an EPS file

EPS is a vector format designed for print workflows. It's:

• Vendor-neutral (unlike AI, which is Adobe-only)
• Compatible with basically every professional print tool ever made
• Able to contain both vector and raster elements
• Readable by software that hasn't been updated since the second Bush administration

When to use an EPS file

Send an EPS when someone is making a physical thing and asks for "the vector file." That includes:

• Commercial printers (business cards, brochures, banners)
• Embroidery shops (hats, polos, that golf sponsorship you agreed to)
• Sign makers (vinyl decals, storefront signage, trade show booths)
• Screen printers (t-shirts, merch)
• Promotional product vendors (the company making your branded stress balls)

If the request involves a physical object, and the person asking uses phrases like "camera-ready art" or "press-ready file," EPS is your answer. If they say "send a PDF or EPS," send both. Let them pick.

When NOT to use an EPS file

• On your website. Browsers don't render EPS natively. You'll just get a broken image.
• In modern design tools like Figma. (Figma doesn't love EPS. Convert to SVG instead.)
• In a PowerPoint. Use PNG or SVG.
• Anywhere on social media.

A note on EPS and transparency

Old-school EPS files don't handle transparency gracefully. Got soft shadows, gradients fading to transparent, or fancy blend modes? An EPS might flatten them or render weirdly.

This is why PDF is slowly eating EPS's lunch for print. PDF handles modern design features better. But until every printer updates their workflow (somewhere around the year 3000), EPS stays on the list.

SVG Files: The Web's Format of Choice

SVG stands for Scalable Vector Graphics. It's the modern, open-standard vector format, and unlike the other two, it's built for the web from the ground up.

What's in an SVG file

SVG is technically XML — which means it's text. You can literally open an SVG in a code editor and read it. Inside you'll find:

• Coordinates, paths, shapes, and fills
• Editable text (great for accessibility and SEO)
• CSS styling, animations, and interactivity
• Clean, tiny file sizes (often under 10KB)

When to use an SVG file

Anywhere the logo lives on a screen and needs to scale:

• Websites. Sharp on any screen, resolution-independent, loads faster than a PNG.
• Email signatures. (Well, sort of — some email clients still don't render SVG. More on that in a minute.)
• App icons and UI elements. React, Vue, and every modern framework love SVGs.
• Retina and 4K displays. No more "why does our logo look fuzzy on the new MacBook?" emails.
• Favicons. Modern browsers support SVG favicons, which means one file for every size.

SVG's secret superpower: accessibility and SEO

Because SVG is text-based, you can embed `