Creator of Explayner.video and ZoopTools.com

Saurabh kumar • Peerlist

<h3>AI video creation tool, without the expensive rendering stack</h3>Turn audio into explainer video. From audio, talking head video or a simple prompt to a polished video. Explayner plans the visuals with AI and renders the result directly in your browser. Which makes Explayner the most affordable AI Video Generator for content creators.<h3>One simple workflow</h3>Everything between an idea and a finished video.<ul><li>Audio → video: Drop in narration, a podcast clip, lecture, or voice note. Explayner turns it into a visual story.</li><li>Talking head video → Explainer video: Drop a talking head video, and get full explainer video, Explayner will add your video in corner and create animation using you voice.</li><li>Prompt → video: Give us a topic. AI structures the explanation, writes the scenes, and builds the video for you.</li></ul><h3>Key Features:</h3><ul><li>Smart visual scenes: Your content becomes paced scenes, diagrams, text, motion, and visual emphasis—not a slideshow.</li><li>Natural voiceovers: Use your own voice or generate narration with supported TTS providers such as ElevenLabs.</li><li>Browser rendering: The final video is rendered on the viewer's device, keeping the platform fast and affordable.</li><li>Built for short-form: Create explainers, presentations, Reels, Shorts, and educational content from one workflow.</li></ul><h3>How it works:</h3>You bring the idea. Explayner does the explaining.<ol><li>Give Explayner an audio, talking head video, or prompt</li><li>AI understands the content and plans the visual story</li><li>Scenes, narration, timing, and motion come together</li><li>Preview and render the finished video in your browser</li><li>Google drive to save your project and share to anyone over email.</li><li>Supports its own .explay extension for packaging video project and share the whole video to anyone over internet.</li><li>Brand kit support for brands to control colors in video.</li><li>Additional prompt and Negative prompt for better contol on video generation.</li><li>Supprt Light/Dark theme for videos.</li><li>Very affordable as all the heavy task happening on the browser using user compute resource.</li></ol><h3>Use Cases:</h3><ul><li>Educational Videos</li><li>Reels Videos</li><li>Shorts Videos</li><li>Commentary Videos</li><li>Product Demos</li><li>Story Telling</li></ul><h3>Works across modern browsers</h3>Create and render your videos across the browsers you already use — Chrome, Safari, Firefox, and Edge. Fully responsiveExplayner is designed to work across screen sizes. Create, preview, and use your workflow from your desktop, tablet, or phone.Powerful video creation shouldn't cost a fortune. By putting rendering in the browser instead of running expensive video infrastructure for every export, Explayner is built to keep creation accessible.

Explayner - Audio to Video generator

<h3>Comprehensive Online Tools for File Manipulation</h3>
ZoopTools offers a vast collection of over 107 free online tools designed to simplify the processing of various file types, including videos, images, PDFs, and audio. All tools operate directly within your browser, eliminating the need for uploads or sign-ups, ensuring a fast and private user experience.
<ul>
<li>Video Editing &amp; Conversion: Compress, convert, trim, resize, crop, rotate, flip, split, and merge videos. Extract audio, change playback speed, and remove silence.</li>
<li>GIF Tools: Convert videos to GIFs, resize, adjust frame rates, reduce file size, and change GIF speed.</li>
<li>Audio Processing: Convert between various audio formats, compress audio, trim, merge, split, record, change speed, adjust volume, normalize, change pitch, reverse, and add fade-ins.</li>
<li>Image Manipulation: Compress JPG, PNG, and WebP files, reduce image size to specific limits (100KB, 200KB, 500KB, 1MB), resize images, crop, rotate, flip, and convert between formats (JPG, PNG, WebP, BMP, AVIF, TIFF, HEIC).</li>
<li>Advanced Image Features: Apply filters, remove backgrounds using AI, upscale images, add watermarks or logos, convert images to PDF, extract text from images (OCR), and view/remove EXIF data.</li>
<li>Utility Tools: Generate favicons, convert PNG to ICO, and create passport photos.</li>
</ul>
The platform features an instant search and a command palette (⌘K) for quick access to any tool. ZoopTools prioritizes user privacy by processing files locally in the browser, making it a secure and efficient solution for all your file conversion and editing needs.

ZoopTools

This is simple photo editor app where we can blur background, crop, add image over image and also we can add text , emojis and set transparency.

Picoholic photo editor (Android app with java

It is a simple BMI calculator where you can just put height in cm/m And weight in Kgs and you can check your BMI

BMI calculator (Android app with java)

Find my Trashcan helps you to find dustbin near by you. For the people,By the People--> Many times we don't find any dustbin nearby on roadside. Find My Trashcan helps you to find Trashcan near you in your area. This App is made to support our government campaign "Swachh Bharat Mission". People help each other to find dustbin for each other. How this app works--> * User download this app and set their permanent PinCode where they live and mark dustbins in their area. * Another people who are using this will get all the 20 dustbins near by them(depends upon in which pinCode area they are righ now). * If people can't fin any dustbin location in that area they can make help request to all the people who are living in thatarea. *Anyone can accept the request in that particular area and mark the location on the map in that area and share the location to the requested person. * Requested person will receive the help and navigate through Google Maps either Walking or Driving to the shared location. * Request will be active for 3 minutes. Features--> * View all the dustbins near by you on map. * Get direct navigation list for 20 near by dustbins location. * Mark dustbins locations on map in your area to help other people. * Make help request to people who are in that area, if you can't see any dustbin in any area. Conclusion--> The whole aim is to make your lifestyle more easier and cleaner. Made with love to serve this country by Saurabh Kumar. Lets make India cleaner together and make a better place for our future generation.

Find My Trashcan(Android app with java)

This website helps you to get information about movies and web series. I have used the OMDB - API to get movie data and with the help of DOM and localStorage I have populated the data in the web pages. Learned the concept of Debouncing to optimize API calls to reduce server costs. Tech stack :- HTML-CSS-JS-OMDB Api

Movie App-(Theme Hotstar)-HTML+CSS+JS+OMDB AP

Ek Chitthi App is made by Saurabh Kumar. This is a social media App but not like Whatsapp , Facebook or any other , but this app is a kind of Letter posting app like old days , You can send a letter to your friend with generating a stamp from your city to your friend city. The Letter will will be deliver to your friend according to the distance more the distance it will take more days to reach to your friend ...Like your are living currently in Varanasi and your friend in Mumbai ,the approximate distance is about 1484 km and it will take 4 days to reach there . You can schedule your letter too ..that on which date and on time you want to send this letter to your friend with the help of schedule functionality...enjoy slow messaging and enhance your long distance relationship :)

Ek Chitthi : Letter Posting & Slow messaging 

Presenter helps you to automate your website without writing extra code to your code base. Easy to integrate and has various methods provided to take control of the page. It helps you to present your website on video calls in groups. (Eg. Zoom meeting); How to use :- Step -1 Clone the repo in your project folder. Step -2 import Presenter ---> import Presenter from "../Presenter/presenter.js" Step -3 Create Instance of Presenter ----> let presenter = new Presenter(pass <first person name> in string); Step -4 Initialize Presenter ----> presenter.initialize() Step -5 Ready to use :) Features:- //Initialize Presenter library; **** .initialize(); // scroll your page on specific time **** .scrollPage(<divId(without #) in string>,<time in sec(number)>,<personName in string>,<color-name in string>); // click on element on specific time **** .clickit(<divId(without #) in string>,<time in sec(number)>); // Change the page on specific time **** .changePage(<time in sec(number)>,<FILE-PATH in string>) // Show the alert box with custom msg on specific time **** .alertUser(<msg in string>,<time in sec(number)>); //Change only name on specific time **** .name(<personName in string>,<time in sec(number)>); //Change only color on specific time **** .color(<color-name in string>,<time in sec(number)>); //Fill the value in Input box **** .fill(<divId(without #) in string>,<time in sec(number)>,<value in string>)

Presenter- JS Library.(Unique Project)

Built an agentic AI research system from scratch using Python, OpenAI, Tavily, Pydantic, and Streamlit. The agent plans research queries, searches the web, extracts relevant information, validates results, and iterates when the output isn't relevant. Built without LangChain or LangGraph to understand agentic workflows and tool orchestration from the ground up.

AI Research Agent

Garden Photo Frame app is an photo editing tool created by me.This App can be used to edit you photos with graden images frames and you can also add text, emojis, stcikers, chnage fonts and (drag,rotate,zoom) images. You can also add background images of garden. You can crop images both fixed and free hand. (It was freelancing project)

Garden Photo Frame App (Freelancing project)

CLiQ Mart is an Indian e-commerce website operating in categories such as Fashion, Footwear, and Accessories.

Cliq Mart - Clone of TATA CLiQ (Collaborative

This is the clone of GIPHY. It took me around 2 days to develop it. I have used Giphy API to get real data and populated it with the help of DOM. I have used Classes and taken care of Reusable components to reduce the code lines. You can search GIFs stickers and get random GIFs with one click. I have added categories and subcategories to get more accurate results. Also introduced the concept of debouncing to reduce API calls during the search. Tech stack:- HTML,CSS,JS,Giphy API.

GIPHY-Clone (HTML+CSS+JS+Giphy-API)

This is the user app for College Admin App and it also based on Firebase Realtime Databse,where user will receive posted Notice, PDF notes, College Event Photos, Faculty by department wise like CSE,Mechanical,Civil etc. User can updated everytime with this app. User can downlaod PDF notes direct into there phone.

JPIET College User App (Android app with java

This Covid tracker provides almost every counrty covid data and return information like Active cases count, Confirmed cases count, Recovered cases count, Death cases count, Total Test count. I have used pie chart library which also shows data graphically with different colors. It has very simple UI and I have also implemented simple search bar to search a particular country. This is the first app i made for learning API fetch from public API with the help of Retrofit Networking library. I have learnt the concept like HTTP GET & HTTP POST request.I used to convert JAVA object in JSON representation and convert back JSON to JAVA objects. Features:- Covid data of almost every country. Shows pie chart for more detailed data repesentation. Shows data like:- Active cases count. Confirmed cases count. Recovered cases count. Death cases count. Total Tests count. Technology Used:- Retrofit Networking Library. Gson Libraray. Free Public API for covid data

Covid Tracker App(Android app with java)

Overstock is an online home products retailer that sells furniture, rugs, kitchen appliances and bathroom accessories. Cloned in 5 days individually. Tech stack: HTML, CSS, JavaScript. Built accordion, product page, sorting functionality, Fully functional cart system, and payment page.

Overstock.com - Clone (HTML+CSS+JS+LocalStora

Transliteration Made Simple ! Your Gateway to Multilingual Communication Bharat टाइ-ping📡 is 100% FREE Transliteration Solutions. Built on Next.js + tailwind + daisy UI  to make it fast and smooth. Used my own built react-transliteration component library which makes your transliteration process super smooth.

Bharat Typing - Free Transliteration tool

Improve you reading speed by the help of this tool. Set the content of your choice(just copy paste). Set the speed you like and pratice more and more to get better day by day.

Improve Reading Tool

8 bit square pixel paint is a 8 bit painting app. You can create beautiful 8 bit paintings with this app. Currently this app supports * 8 x 8 * 16 x 16 * 24 x 24 * 32 x 32 canvas. I have developed this app in just 2 days for fun ;) Happy painting.

8bit Square Pixel Paint (Android app with jav

I have created this static landing page of bewakoof.com in masai one day workshop . where i have learnt about basic html + css  to build this project.

Bewakoof.com landing page clones(Html+ css ,S

Covid Blaster is an exciting space game that puts you in control of a powerful spaceship as you blast your way through waves of deadly coronaviruses. I and my teammate made this game in 48 hours in Hackathon, hosted by Masai. We were 2 members of the team. Total teams: 30 Tech Stack #Frontend - React+typescript #Backend - Mongo DB - Node.js - Express - Socket.io #CSS Library - Chakra UI #Controls PRESS Space to FIRE PRESS Left Arrow Key to Move LEFT PRESS Right Arrow Key to Move RIGHT #Supported Browser Google Chrome -only (no incognito)