offline_html_collection

A collection of offline first web tools.

1. JSON Formatter - Create a sleek JSON beautifier and validator with syntax highlighting.
2. Regex Tester - Build a real-time Regular Expression tester with match highlighting.
3. Base64 Tool - A professional Base64 encoder/decoder with support for text and images.
4. Markdown Previewer - A split-pane Markdown editor with live HTML preview.
5. JWT Decoder - An intuitive JSON Web Token debugger that visualizes header & payload.
6. CSS Glassmorphism Generator - Adjust blur/transparency and export CSS code instantly.
7. Color Palette Pro - Generate harmonious color schemes with HEX/RGB export.
8. Diff Checker - A side-by-side text comparison tool highlighting changes.
9. SQL Formatter - Beautify messy SQL queries with smart indentation logic.
10. Unit Converter Pro - High-end converter for length, weight, and temperature.
11. Sorting Visualizer - Interactive visualization of Bubble, Merge, and Quick Sort.
12. Pathfinding Visualizer - Grid-based tool demonstrating A* or Dijkstra’s algorithm.
13. Conway’s Game of Life - Beautiful implementation of the cellular automaton.
14. Fractal Generator - HTML5 Canvas tool to explore the Mandelbrot set via zooming.
15. Particle Physics Sandbox - High-performance particle system reacting to mouse movement.
16. Fourier Series Visualizer - Animation showing how circles create complex wave shapes.
17. Binary Search Tree Visualizer - Animate the insertion and searching of nodes in a BST.
18. Data Dashboard Template - Professional single-page dashboard using Chart.js.
19. Algorithm Complexity Timer - Visualize Big O notation growth visually via loops.
20. Sorting vs. Searching Demo - Split-screen visual comparing algorithm traversal.
21. Minimalist Pomodoro - Zen-style timer with customizable work/break intervals.
22. Kanban Board - Drag-and-drop task manager using LocalStorage.
23. Habit Tracker Heatmap - GitHub-style contribution grid for tracking daily habits.
24. Zen Notepad - Distraction-free markdown notepad with auto-save.
25. Budget Calculator - Sleek expense tracker with dynamic pie charts.
26. Password Architect - Customizable password generator with entropy calculation.
27. Daily Focus Timer - Countdown timer featuring a minimalist progress ring.
28. Interactive Mind Map - Create nodes and connections using SVG drag-and-drop.
29. Breathwork Guide - Calming, animated circle expansion for guided breathing.
30. Minimalist Weather App - Clean dashboard with real-time API data & dynamic backgrounds.
31. Retro Terminal Emulator - Functional CLI styled like a 1980s CRT monitor.
32. Neumorphic Calculator - Calculator using the soft, extruded Neumorphism design trend.
33. Cyberpunk Dashboard - High-contrast, neon-accented UI for monitoring stats.
34. Generative Art Canvas - Generate geometric patterns via mathematical logic.
35. 3D CSS Cube Playground - Manipulate 3D shapes created entirely with CSS transforms.
36. Audio Visualizer - Web Audio API implementation for microphone input.
37. Glassmorphism UI Kit - Interactive showcase of various glass-style components.
38. Interactive Particle Background - Lightweight, high-performance background for landing pages.
39. CSS Grid Playground - Visual tool to build and export complex CSS Grid layouts.
40. Digital Clock (Modern) - Typography-focused clock with smooth transitions.
41. HTML Live Previewer - Real-time HTML editor with instant preview in a modal.
42. Video Background Generator - Generate video for audio using Bunny.
43. Text Video Creator - Generate video with text.
44. EV Optimal Speed Calculator - Find the speed that minimizes total trip time — driving + charging.
45. CSV Batch LLM Processor - Process CSV data through OpenAI-compatible endpoint.
46. CSV HTML Inspector - Preview CSV data in an HTML format.
47. CSV File Extractor - Convert CSV rows into individual files inside a ZIP archive instantly.
48. Tower defense game - Modern and fancy-looking tower defense game in single HTML.
49. Screen recorder - Screen recorder webm/mp4.