The 100-Day Code Daily Challenge: Practical and Fun Programming Projects

Design a static webpage to showcase your future projects using HTML and CSS.

Create an application that displays a new inspirational quote at the click of a button.

Build a task manager with add, delete, and mark-as-complete functionality.

Develop a tool to convert metrics like Celsius to Fahrenheit or Kilometers to Miles.

Program a live-updating clock that shows the current time in a 24-hour format.

Build an app that calculates the tip amount and total bill per person.

Create a split-screen editor that renders Markdown text into HTML in real-time.

Generate random hex color codes and display them as visual swatches.

Implement a productivity timer with 25-minute work and 5-minute break intervals.

Analyze user input to determine password security based on length and characters.

Build a logic tool that translates binary strings into base-10 integers.

Construct a calculator capable of basic arithmetic: addition, subtraction, multiplication, and division.

Fetch and display real-time weather data for a city using a public API.

Build a text editor that saves notes to local storage for persistence.

Create a 3D or 2D visual dice simulator with random outcome generation.

Track income and expenses with a running balance and category filters.

Develop a multiple-choice quiz with scoring and a final results screen.

Create a responsive grid of images with a lightbox zoom effect.

Calculate Body Mass Index based on height and weight inputs.

Use a live exchange rate API to convert values between different global currencies.

Set a target date and display the remaining days, hours, and minutes.

Build the classic game allowing a user to play against a randomizing computer AI.

Design a study tool where users can flip cards to see answers.

Implement a precise stopwatch with start, stop, lap, and reset features.

Search for recipes by ingredient using an external food database API.

A game where the computer picks a number and gives 'higher' or 'lower' hints.

Visualise daily streaks for specific personal goals using a calendar view.

Design a responsive chat interface with message bubbles and a sidebar.

Fetch and display user statistics and repositories using the GitHub API.

Allow users to search for movies and save them to a 'To-Watch' list.

Use the HTML5 Canvas API to build a simple browser-based drawing tool.

Analyze a block of text for word count, character count, and reading time.

Create an animation showing how Bubble Sort or Quick Sort reorganizes data.

A simple directory to store names, phone numbers, and emails.

Build a collapsible FAQ section with smooth transitions.

Integrate a translation API to convert text between multiple languages.

A card-flipping game where users find pairs of identical images.

Write a function to count the number of vowels in any given sentence.

Create a tool that generates secure, random strings based on user criteria.

Map keyboard keys to audio files to create a browser-based drum set.

Visualize financial data using a charting library like Chart.js.

Convert English text to Morse code and play the corresponding sounds.

Check if a word or phrase reads the same backward as forward.

Write a series of automated tests for a basic math library.

Create a script to extract headlines from a news website.

Design the frontend for a service that shortens long web links.

Build a fast-paced game where users click on appearing targets.

Develop a backend script to convert markdown files into PDF documents.

Build a media player with custom play/pause, volume, and progress bars.

Use CSS and JS to create a clock with rotating hour, minute, and second hands.

Code an animation that looks like text is being typed onto the screen.

Calculate monthly savings based on income and fixed costs.

Use the Web Speech API to read out user-provided text.

Implement a list where items can be reordered via drag and drop.

Implement the Merge Sort algorithm from scratch.

Create a RESTful API to manage a collection of recipes.

Design a professional login and registration form with validation.

Build a page that loads more images as the user scrolls down.

Recreate the classic arcade game using a grid-based movement system.

Search for books using the Google Books API and display details.

Ensure email, password, and username meet specific requirements.

Display daily zodiac predictions using a simple data object.

Show live prices of Bitcoin and Ethereum using a crypto API.

Build a simple blog engine that parses markdown files into pages.

Organize tasks based on urgency and importance.

Build an encrypted local storage for managing web credentials.

Measure how many words per minute a user can type accurately.

Dynamically change weather icons based on temperature conditions.

Create a high-conversion landing page for a fictional product.

Implement a BST with insert, search, and delete methods.

Program a bot that responds to specific keywords with predefined answers.

Aggregate and display news from various RSS sources.

Track daily food intake and calculate total calories.

Create a simple voting system with real-time result updates.

A 'guess the hex code' game to train the user's eye for color.

An interactive tool to create and copy CSS linear-gradient code.

Build a utility to transform data formats for spreadsheets.

Create a simple interface for sharing code snippets.

Build a paddle-and-ball game with brick-breaking mechanics.

Create a drag-and-drop zone with a progress bar for uploads.

Write a reusable script to handle popup windows.

Create a basic board where users can post and reply.

Build an algorithm that solves a 9x9 Sudoku grid using backtracking.

Embed a map and place custom markers using a mapping library.

Create a playable piano that responds to mouse clicks and keys.

Calculate monthly payments and total interest for a fixed-rate loan.

Track stock levels for a small business scenario.

Build a functional product page with a shopping cart toggle.

Fetch random questions from an external trivia database.

Implement a theme switcher using CSS variables.

Build a tool to test Regular Expressions against a block of text.

Clone a popular social feed layout with posts and comments.

Create a script to list all files in a directory tree.

Automatically adjust ingredient quantities based on serving size.

Build a vertical timeline that animates as the user scrolls.

Create a backend service to redirect short codes to long URLs.

Summarize multiple accounts and spending habits.

Create a user registration flow split across multiple screens.

Build a tool to change image dimensions in the browser.

Combine everything learned to build a unique full-scale application.