One top pick is Formula Bot, a general-purpose data analysis tool that uses AI to convert text into a variety of formats, including Excel formulas, SQL queries, VBA scripts and more. It comes with modules for an Excel Formula Generator, SQL Query Generator, Text to Excel Converter and Data Analyzer, so it's a good all-purpose tool for data analysis and automation.
Another top pick is FormulaGenerator, which uses fine-tuned GPT models to generate Excel formulas, VBA automations and SQL queries. It can generate formulas from text instructions, fix errors and explain the formulas it generates. It has a free tier and a Google Sheets extension, so you can use it in a variety of ways.
If you're looking specifically for SQL, TEXT2SQL is an AI-based SQL query builder that converts plain English text to SQL queries that work with several dialects. It can explain queries, fix errors and handle custom database schema. It can also generate Excel formulas and Regex expressions, so it's good for both beginners and pros.