Short answer: the best logo file format for a website is SVG. It's a vector file, so it stays sharp on every screen size, and it's usually tiny. Keep a transparent PNG as a backup for places that don't accept SVG, like some website builders, email signatures and social profiles. Save AI, EPS or PDF vector files for print, and use JPEG only when a transparent background doesn't matter. In short: SVG for screens, PDF or EPS for print, and a transparent PNG as the all-purpose backup.
Updated November 2026: format guidance checked against MDN's image file type and format guide.
Logo file formats at a glance
| Format | Type | Transparent background | Best for |
|---|---|---|---|
| SVG | Vector | Yes | Website header, favicon source, anything on screen that needs to scale |
| PNG | Raster | Yes | Website fallback, social profiles, email signatures, slides |
| JPEG / JPG | Raster | No | Photos and quick previews; avoid for logos on colored backgrounds |
| Vector (usually) | Yes | Sending to printers, sharing a logo file anyone can open | |
| AI | Vector | Yes | Your editable master file in Adobe Illustrator |
| EPS | Vector | Yes | Older print workflows, sign shops and promo product vendors |
Vector vs. raster: the one thing to understand
A vector file (SVG, AI, EPS, most PDFs) is made of shapes and math, so it can be scaled from a favicon to a billboard without getting blurry. A raster file (PNG, JPEG) is made of pixels, so it looks great at the size it was exported and gets fuzzy when you blow it up. Your logo should always start life as a vector, and raster files should be exported from that master.
Which logo format to use on a website
1. SVG for the main logo
SVG is supported by every major browser, according to MDN. It scales cleanly on phones, laptops and high-resolution screens, it usually weighs only a few kilobytes, and it can have a transparent background. For the logo in your site header, SVG is the best choice.
2. PNG as the backup
Some platforms won't accept SVG uploads. When that happens, export a transparent PNG at roughly two times the size it will display (for example, 600 pixels wide for a logo shown at 300 pixels) so it stays crisp on high-resolution screens. Then compress it so it doesn't slow the page down.
3. Skip JPEG for logos
JPEG can't do transparency, so your logo ends up sitting in a white box on any colored background, and its compression blurs sharp edges and text. Keep JPEG for photos.
4. WebP and AVIF: fine as an optimized export, not your master
Newer formats like WebP and AVIF support transparency and compress well, and MDN recommends them over PNG and JPEG for most raster images on the web. For a logo, treat them as an optimized export: keep your SVG and vector master files as the source, and provide a PNG fallback. MDN also advises lossless compression for logos and line art, because blurry edges around text are easy to spot.
Which logo format to use for social media
Most social platforms want a PNG or JPEG upload. Use a square PNG version of your logo or icon, sized to the platform's profile image guidelines, with enough padding that it doesn't get cut off by the circle crop.
Which logo format to use for print
Printers, sign shops and promotional product vendors want a vector file: usually a PDF or EPS, sometimes the original AI. Vector files keep edges sharp at any size and let the printer match your brand colors. If a vendor asks for a "high-res" or "vector" logo, send the PDF or EPS, not a PNG pulled from your website.
The logo files every business should have
- A master AI (or other editable vector) file
- SVG for the website
- PDF and EPS for print vendors
- Transparent PNG files in full color, all white and all black
- Horizontal, stacked and icon-only versions of each
If your designer only handed you a single JPEG, ask for the vector source files. They're the ones that let you use your logo anywhere without redrawing it. If your logo needs more than new files, our logo redesign workbook walks through what to keep and what to change, and our logo design and branding services deliver the full file set. For more on how a logo works, see common logo shapes and what they communicate and tips for balance in logo design. Local to the area? Meet our Houston graphic design team. Need the logo printed on signs, apparel or promo items? That's our print and promotional team.
Logo file format FAQ
What is the best logo format for a website?
SVG. It's a vector format, so it stays sharp at any size, supports transparent backgrounds, and works in every modern browser. Use a transparent PNG as a fallback where SVG isn't accepted.
What is the best file type for a logo?
Keep a vector master file (AI, or SVG, PDF or EPS) and export from it: SVG for screens, PDF or EPS for print, and a transparent PNG as the backup. No single format covers every use, which is why a full logo file set includes several.
Is SVG or PNG better for a website logo?
SVG for your main logo, because it stays sharp at every size. Keep a transparent PNG as the backup for platforms that don't accept SVG uploads.
Can I use WebP or AVIF for my logo?
Yes, as an optimized export. Both support transparency, and MDN recommends them over PNG and JPEG for most raster images. Keep your SVG and vector master as the source, and provide a PNG fallback.
Is PNG or JPEG better for a logo?
PNG. It supports transparent backgrounds and keeps edges and text sharp. JPEG adds a solid background and blurs fine detail.
What logo file format do printers want?
A vector file, usually PDF or EPS, sometimes the original Adobe Illustrator (AI) file.
What size should a PNG logo be for a website?
Export it at about twice the size it will display, then compress it. A logo shown 300 pixels wide should be exported around 600 pixels wide.
Can I turn a JPEG logo into a vector file?
Not by saving it in a new format. A designer has to redraw (vectorize) it. Converting a JPEG to SVG or PDF without redrawing still leaves the blurry pixels inside.