What happened to Toolgo?

discontinued The URL on file (https://toolgo.ai/) did not respond across three consecutive checks; the streak completed on 2026-09-19.

The address on file matched Toolgo's own domain with high confidence, so this observation is reported about Toolgo directly. See the methodology for how the match is made.

The vendor's own description, unedited:
Toolgo is a comprehensive AI toolbox providing a suite of free AI tools for various tasks such as chat, writing, translation, PDF processing, images, videos, audio, 3D, summarization, and AI detection among others. It features the ChatGPT Sidebar, an all-in-one AI browser sidebar that integrates AI models including ChatGPT/GPT-4, Claude 3.5, and Gemini Pro to facilitate real-time interaction across multiple languages. Writing capabilities offer creative writing, drafting emails or reports, content optimization and expansion; along with translation, grammar check, and paraphrasing. In addition, it provides features like YouTube video summarization and Gmail smart replies to enhance the writing experience. The translation function supports high-precision translations across various languages. Toolgos specific features like the AI PDF Translator can accurately translate PDF documents while maintaining the original format and layout, and ChatPDF allows intelligent interaction with PDF documents through directly querying and summarizing information. Other features include OCR for text extraction from images, grammar check, YouTube summarization and automatic Gmail smart replies. Toolgo serves a variety of sectors including academic research, business, legal, education and even daily life activities, with each function geared towards making work and study more efficient.