Question: Is there an online platform that offers grammar and spell checking, as well as language translation?

Reverso is a full-featured online translation service that can translate among 15 languages, including English, French, Spanish and many others. It also includes AI-based grammar and spell checking, neural machine translation and a rephraser that can try to update your writing style. It can translate documents in several file formats while preserving formatting.

Another option is Grammarly, which offers personalized writing advice and the ability to generate text to help you write faster and more accurately. Grammarly offers suggestions that are context sensitive, checks for plagiarism and helps with style guides, too. It's a good all-purpose tool for improving writing on a lot of different websites.

For a broader suite of writing tools, check out QuillBot. The service has a paraphraser, grammar checker, plagiarism checker and translator, among other tools. It can help you improve your writing from first draft to final draft, and it can be used in conjunction with a variety of apps and websites.

Last, LanguageTool is an AI-powered language checker that works with more than 30 languages and language varieties. It can check grammar, suggest tones and paraphrase text, and it's got plugins for many writing tools and standalone apps for Windows, macOS, Linux, Chrome OS and mobile devices. It's good for anyone who writes professionally or academically and needs to produce polished writing in multiple languages.