If you want to create your own high-quality, custom emojis for marketing materials, the Emoji Generator is a great option. The AI-powered tool lets you generate custom emojis in seconds, with a range of styles from cartoon to photorealistic. For $29 for a lifetime access plan, you can generate an unlimited number of custom emojis, so it's good for personalizing digital communications like social posts and marketing materials.
Another good option is EMOJIALL, which offers a multilingual emoji dictionary in 47 languages. The service offers a dictionary of emojis, but also an "Emoji Maker" tool to create your own. It also has a sentiment analysis tool and high-resolution emoji image downloads, so it's good for personal or professional use.
If you have more creative needs, check out more.graphics. It's geared more for generating patterns and designs, but it's got an AI Sticker Generator that can create custom stickers, including emojis. It's good for people who want to add lots of custom imagery to marketing materials without having to hire a designer.