Free tool
Which AI tool should I use?
Pick the task. Get a recommended tool, an alternative, why, and the privacy caveat that matters in India.
Research and fact-finding
Recommended: Perplexity (free tier)
Office tasks: email, notes, summaries
Recommended: ChatGPT (free)
Excel, Sheets and data questions
Recommended: ChatGPT or Gemini with a described sheet
PDFs and long documents
Recommended: NotebookLM (Google, free)
Images: resize, remove background, generate
Recommended: Canva (free) for editing; ImgNimble (our sister site) for privacy-safe resizing
Study, revision and exam practice
Recommended: NotebookLM for material you have; ChatGPT for tutoring
Coding and automation
Recommended: GitHub Copilot or Claude for code; ChatGPT for scripts
Presentations and slides
Recommended: Gamma or Canva for slides; ChatGPT for the outline
Writing and rewriting
Recommended: ChatGPT for drafts; TXTNimble (our sister site) for clean-up tools
PDFs and long documents
Recommended: NotebookLM (Google, free)
Alternative: ChatGPT with file upload
Why: NotebookLM answers only from the documents you give it and cites the passage, which reduces invented facts. Good for policies, contracts and study material.
Privacy caveat: Uploaded documents stay on the provider's servers; remove personal data first. For confidential contracts, use a document tool you control or ask your IT team.
Related free tool from the Support IT family: https://docnimble.com
Recommendations are editorial, tested by us, and change when tools change. Last reviewed by the AajAI team.
Knowing the tool is 20% of the job
The other 80% is how you instruct it. KARO mission 20 ("Which AI Tool Should I Use?") builds your personal selector; SAMJHO teaches the instruction formula first.
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