List of Top 10 Free AI Tools

The following below List of Free AI Tools in multiple categories

[1] – AI Chatbots & Content Generation

[1.1] – ChatGPT (Free Tier) – OpenAI’s conversational AI (GPT-3.5 is free).

[1.2] – Claude AI – Anthropic’s AI assistant (free tier available).

[1.3] – Google Gemini (formerly Bard) – Google’s AI chatbot.

[1.4] – Hugging Face Chat – Open-source AI models.

[1.5] – Perplexity AI – AI-powered search with citations.

[1.6] – DeepSeek Chat – Free AI chatbot with long-context support.

[1.7] – app.otio.ai – Free / Paid AI chatbot

All ((Llama 4, DeepSeek R1, GPT-4o, Claude, Gemini 2.5 Pro))-in-one platform –> otio.ai

Skip reading 100s of pages docs or watching hours of video. Extract the insights (more summarized) you need, fast

  • Access all premium AI models
  • Chat with Llama 4, DeepSeek R1, GPT-4o, Claude, Gemini 2.5 Pro and more!
  • Chat with your documents
  • Instant Youtube summaries
  • Document comparison
  • AI text editor and more!

Still doing research the hard way?

❌ Manually reading endless reports?
❌ Watching long videos just for key insights?
❌ Struggling with writing, citations, and structuring?

It’s time to upgrade your workflow.

With Otio, that’s exactly what you get!

No more wasting hours reading, summarizing, and organizing information—Otio does it for you instantly.

What Makes Otio Stand Out?
✅ Lightning-Fast Summaries – Extract key takeaways from long-form content instantly.
✅ AI-Assisted Writing – Say goodbye to writer’s block with structured drafts and edits.
✅ Reliable Research – Get accurate, cited information without endless fact-checking.
✅ Automated Workflows – Set up smart AI routines to streamline your research process.

By using otio.ai your asking query will be detailed, structured AI summaries & Automatically generated summaries from Images, Videos, PPT, Audio, Docs, Links, PDFs to Youtube videos

[1.8] – lambda.chat – Free / Paid AI chatbot – DeepSeek based advanced open-source large language models (LLMs) as free.

Lambda Chat is a web-based that provides high-performance AI chat models accessible to everyone, including developers, researchers, and AI enthusiasts

Lambda leverages DeepSeek’s open-source models (DeepSeek-R1 671B) to enhance its platform, offering users access to advanced AI capabilities

Multiple Use Cases:

AI Experimentation: Test and compare different LLMs for various tasks, such as content generation, translation, and summarization.

Application Development: Incorporate advanced language models into applications via the Inference API.

Educational Purposes: Learn about LLM capabilities and behaviors through hands-on interaction.

Is there Any Relationship Between https://deepseek.com & https://lambda.chat/

Lambda Chat and DeepSeek.com are distinct entities

DeepSeek is a Chinese AI research company that originated from High-Flyer, a quantitative hedge fund. It has developed several open-source large language models (LLMs), including the DeepSeek-R1 series

&

Lambda Chat, operated by the U.S.-based company Lambda, provides a platform for users to interact with various LLMs. Lambda has integrated DeepSeek’s models, such as DeepSeek-R1 671B, into its offerings,

[2] – AI Image Generation & Editing

[3] – AI Coding & Development

[4] – AI Speech & Voice Tools

  • ElevenLabs (Free tier) – AI voice generation
  • Speechify – AI-powered text-to-speech
  • Voicemaker – Free AI voiceover tool
  • Murf AI (Limited free version) – AI voice generation
  • Resemble AI – AI-powered voice cloning
  • Voicemod (Free Version) – AI voice changer.
  • Boomy – AI music generator.
  • RVC (Retrieval-Based Voice Conversion) – Open-source AI voice cloning.

[5] – AI Video & Audio Editing & Generation

[5.1] – ElevenLabs (Free Tier) – AI voice generation.

Write Text content to convert into Voice Speech & Click on Generate Speech button , it will be auto converts.

Once done download & finally

[5.2] – HeyGen (Free Trial) – AI avatar video creation.

Example:: Created Video by Using Text & Avatar based Content

[5.3] – Descript (Free Plan) – AI audio & video editing

Example :: Convert Text Into Avatar Based Video

Click on Generate Avatar on the left side to process it into a video

Finally Click on Export Button & Download Video as below

[5.4] – aistudio.google.com/generate-video – :: Generate Videos by Text Based Content

Example:: this AI Video Tool Text into Video.

I have put content in Video Gen Section & it generated Video as below

Show New York’s Buildings

[5.5] – ai.invideo.io – :: Generate Videos / Auto Video , Create short video , Make explainer video, Create animated film, YouTube, YouTube Short Video, Use my script based Video

Once Clicked on Generate Video redirected as below

Once done, redirect as below, select either Stock Media or Generative Media on bases below

Duration , Audiences, Platform

Finally click on Continue

Once clicked on Continued redirected as below, It will take some time , Please be patience

Finally Video Generated as below, here overserve Video, auto animated video as per images have been created inside Video.

Click on Download , asking for subscription (Upgrade)

Free Plan is Basic Plan, if you Video with Animation must be Paid Plan.

[6] – AI Research & Productivity

  • Elicit – AI-powered research assistant
  • Perplexity AI – AI-driven search engine
  • You.com – AI-powered search with chat features
  • Notion AI – AI-enhanced note-taking and organization
  • Otter.ai (Free plan available) – AI-generated meeting transcriptions
  • Notion AI (Free Plan) – AI-powered notes & docs.
  • Grammarly (Free Version) – AI writing assistant.
  • QuillBot – AI paraphrasing tool.
  • Elicit – AI research assistant.

All Above Tools best for 

👉 Marketing & Sales
👉 Education & Training
👉 Corporate Communications
👉 Social Media Content
👉 Podcasting
👉 Video Content Creation
👉 Audio Integration
👉 Innovative text-based editing simplifies the editing process
👉 Robust AI features like Overdub and Studio Sound enhance content
👉 Flexible pricing plans cater to various user needs


Advantages All Above Tools

👉 User-friendly interface suitable for beginners.
👉 High-quality avatars with realistic expressions and lip-syncing.
👉 Extensive language support for global audiences.
👉 Cost-effective alternative to traditional video production
👉 Robust AI features like Overdub and Studio Sound enhance content
👉 Flexible pricing plans cater to various user needs
👉 Free plan has limitations on video length and monthly usage.

AWS Cloud Practitioner Certification Questions and Answers

Que-1:: Which of the following are the recommended resources to be deployed in the Amazon VPC private subnet?
A. NAT Gateways
B. Bastion Hosts
C. Database Servers
D. Internet Gateways

Answer – C

Que-2:: A company wants to utilize AWS storage. For them, low storage cost is paramount. The data is rarely retrieved and a data retrieval time of 13-14 hours is acceptable for them. What is the best storage option to use?
A. Amazon S3 Glacier
B. S3 Glacier Deep Archive
C. Amazon EBS volumes
D. AWS CloudFront

Answer – C

Que-3:: Which AWS service provides a fully managed NoSQL database service that provides fast and predictable performance with seamless scalability?

A. AWS RDS
B. DynamoDB
C. Oracle RDS
D. Elastic Map Reduce

Answer: – B

Que-4:: For which of the following AWS resources, the Customer is responsible for the infrastructure-related security configurations?
A. Amazon RDS
B. Amazon DynamoDB
C. Amazon EC2
D. AWS Fargate

Answer: C

Que-5:: In the shared responsibility model for infrastructure services, such as Amazon Elastic Compute Cloud, which of the below two are customers responsibility?
A. Network infrastructure
B. Amazon Machine Images (AMIs)
C. Virtualization infrastructure
D. Physical security of hardware
E. Policies and configuration

Answer: B, E

Que-6::AWS offers two savings plans to enable more savings and flexibility for its customers, namely, compute saving plans and EC2 Instance Savings plans.
Which of the below statement is FALSE regarding Saving Plans?
A. Capacity Reservations are not provided with Saving Plans.
B. Savings Plans are available for all the regions.
C. Savings plans will apply on ‘On-Demand Capacity Reservations’ that customers can allocate for their needs.
D. The prices for Savings Plans do not change based on the amount of hourly commitment.

Answer: B

Que-7:: Which of the below-listed services is a region-based AWS service?
A. AWS IAM
B. Amazon EFS
C. Amazon Route 53
D. Amazon CloudFront

Answer: B

Que-8:: Which of the following LightSail Wizard allows the customers to “create a copy of the LightSail instance in EC2”?
A. LightSail Backup
B. LightSail Copy
C. Upgrade to EC2
D. LightSail-EC2 snapshot

Answer: C

Que-9:: Which of the following features of Amazon Connect helps better customer engagement on AWS Cloud ?
A. Push Notification
B. High Quality Audio
C. Mailbox Simulator
D. Reputation Dashboard

Answer: B

Que-10:: A large IT company is looking to enable its large user base to remotely access Linux desktops from any location. Which service can be used for this purpose ?
A. Amazon Cognito
B. Amazon AppStream 2.0
C. Amazon WorkSpaces
D. Amazon WorkLink

Answer: C

Que-11::Users in the Developer Team need to deploy a multi-tier web application. Which service can be used to create a customized portfolio that will help users for quick deployment?
A. AWS Config
B. AWS Code Deploy
C. AWS Service Catalog
D. AWS Cloud Formation

Answer: C

Que-12:: A large Oil & gas company is planning to deploy a high-volume application on multiple Amazon EC2 instances. Which of the following can help to reduce operational expenses?
A. Deploy Amazon EC2 instance with Auto-scaling
B. Deploy Amazon EC2 instance in multiple AZ’s
C. Deploy Amazon EC2 instance with Amazon instance store-backed AMI
D. Deploy Amazon EC2 instance with Cluster placement group

Answer: A

Que-13:: Which of the following activities are within the scope of AWS Support?
A. Troubleshooting API issues
B. Code Development
C. Debugging custom software
D. Third-party application configuration on AWS resources
E. Database query tuning

Answers: A and D

Que-14:: Which of the following can be used to protect against DDoS attacks? Choose 2 answers from the options given below.
A. AWS EC2
B. AWS RDS
C. AWS Shield
D. AWS Shield Advanced

Answer: C and D

Que-15:: A website for an international sport governing body would like to serve its content to viewers from different parts of the world in their vernacular language. Which of the following services provide location-based web personalization using geolocation headers?
A. Amazon CloudFront
B. Amazon EC2 Instance
C. Amazon Lightsail
D. Amazon Route 53

Answer – A

Que-16:: Which of the following services allows you to analyze EC2 Instances against pre-defined security templates to check for vulnerabilities?
A. AWS Trusted Advisor
B. AWS Inspector
C. AWS WAF
D. AWS Shield

Answer: B

Que-17::Your company wants to move an existing Oracle database to the AWS Cloud. Which of the following services can help facilitate this move?
A. AWS Database Migration Service
B. AWS VM Migration Service
C. AWS Inspector
D. AWS Trusted Advisor

Answer: A

Que-18:: Which of the following features of Amazon RDS allows for better availability of databases? Choose the answer from the options given below.
A. VPC Peering
B. Multi-AZ
C. Read Replicas
D. Data encryption

Answer: B

Que-19:: An organization runs several EC2 instances inside a VPC using three subnets, one for Development, one for Test, and one for Production. The Security team has some concerns about the VPC configuration. It requires restricting communication across the EC2 instances using Security Groups.
Which of the following options is true for Security Groups related to the scenario?
A. You can change a Security Group associated with an instance if the instance is in the running state.
B. You can change a Security Group associated with an instance if the instance is in the hibernate state.
C. You can change a Security Group only if there are no instances associated to it.
D. The only Security Group you can change is the Default Security Group.

Answer: A

Que-20:: Which of the following AWS services can be used to retrieve configuration changes made to AWS resources causing operational issues?
A. Amazon Inspector
B. AWS CloudFormation
C. AWS Trusted Advisor
D. AWS Config

Answer: D

Que-21:: A manufacturing firm has recently migrated their application servers to the Amazon EC2 instance. The IT Manager is looking for the details of upcoming scheduled maintenance activities which AWS would be performing on AWS resources, that may impact the services on these EC2 instances.
Which of the following services can alert you about the changes that can affect resources in your account?
A. AWS Organizations
B. AWS Personal Health Dashboard
C. AWS Trusted Advisor
D. AWS Service Health Dashboard

Answer: B

Que-22:: Your design team is planning to design an application that will be hosted on the AWS Cloud. One of their main non-functional requirements is given below:
Reduce inter-dependencies so failures do not impact other components.
Which of the following concepts does this requirement relate to?
A. Integration
B. Decoupling
C. Aggregation
D. Segregation

Answer: B

Que-23:: Which of the following services can be used as an application firewall in AWS?
A. AWS Snowball
B. AWS WAF
C. AWS Firewall
D. AWS Protection

Answer: B

Que-24:: Which of the following is the responsibility of the customer to ensure the availability and backup of the EBS volumes?
A. Delete the data and create a new EBS volume.
B. Create EBS snapshots.
C. Attach new volumes to EC2 Instances.
D. Create copies of EBS Volumes.

Answer: B

Que-25:: A web administrator maintains several public and private web-based resources for an organization. Which service can they use to keep track of the expiry dates of SSL/TLS certificates as well as updating and renewal?
A. AWS Data Lifecycle Manager
B. AWS License Manager
C. AWS Firewall Manager
D. AWS Certificate Manager

Answer: D

Que-26::What best describes the “Principle of Least Privilege”? Choose the correct answer from the options given below.
A. All users should have the same baseline permissions granted to them to use basic AWS services.
B. Users should be granted permission to access only resources they need to do their assigned job.
C. Users should submit all access requests in written form so that there is a paper trail of who needs access to different AWS resources.
D. Users should always have a little more permission than they need.

Answer: B

Que-27:: What is the AWS feature that enables fast, easy and secure transfers of files over long distances between your client and your Amazon S3 bucket?
A. File Transfer
B. HTTP Transfer
C. Amazon S3 Transfer Acceleration
D. S3 Acceleration

Answer: C

Que-28::A business analyst would like to move away from creating complex database queries and static spreadsheets when generating regular reports for high-level management. They would like to publish insightful, graphically appealing reports with interactive dashboards. Which service can they use to accomplish this?
A. Amazon QuickSight
B. Business intelligence on Amazon Redshift
C. Amazon CloudWatch dashboards
D. Amazon Athena integrated with Amazon Glue

Answer: A

Que-29:: Which tool can you use to forecast your AWS spending?
A. AWS Organizations
B. Amazon Dev Pay
C. AWS Trusted Advisor
D. AWS Cost Explorer

Answer: D

Que-30:: According to AWS, what is the benefit of Elasticity?
A. Minimize storage requirements by reducing logging and auditing activities
B. Create systems that scale to the required capacity based on changes in demand
C. Enable AWS to automatically select the most cost-effective services.
D. Accelerate the design process because recovery from failure is automated, reducing the need for testing

Answer: B