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Popular Tools
View all toolsJSON Formatter & Validator
Prettify, validate, and minify JSON data instantly in your browser.
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 to UTF-8 text with instant live conversion.
JSON ↔ YAML Converter
Convert bidirectionally between JSON and YAML in real time.
JWT Debugger & Decoder
Decode and inspect JSON Web Tokens with live expiration checks.
Regex Tester
Test regular expressions with real-time matching and capture group inspection.
SQL Formatter
Format, beautify, and minify SQL queries with customizable indentation.
Date Difference Calculator
Calculate exact days, weekdays, weeks, and months between two dates.
QR Code Generator
Create customizable QR codes from text or URLs and export as PNG.
PDF Merger
Combine multiple PDF documents into a single file directly in your browser.
Image Compressor
Compress JPEG, PNG, and WebP images client-side while preserving visual clarity.
Binary Search Tree Lab
Interactive BST visualizer with insertion, deletion, and tree traversals.
AVL Tree Visualizer
Self-balancing binary search tree with LL, RR, LR, and RL rotation animations.
Sorting Arena
Compare Bubble, Selection, Insertion, Quick, Merge, and Heap sorts in real-time.
Dijkstra Shortest Path
Step-by-step shortest path exploration with relaxation table and priority queue.
B+ Tree Database Index
Interactive B+ Tree with node splits, key promotion, and leaf linked-list range scans.
Raft Consensus Simulator
Distributed consensus visualization with leader election, log replication, and network partitions.
Consistent Hashing Ring
Consistent hashing ring simulator with virtual nodes and rehash avalanche analysis.
TCP State Machine & Sliding Window
TCP 3-way handshake, 4-way termination, and sliding window congestion control simulator.
Kubernetes Scheduler & Controller
Simulate Kube-Scheduler filter/score phases and Deployment reconciliation loops.