Free Professional Toolkit

CS, IT & Academic
Tools Hub

16 free, in-browser tools for students, engineers & developers — no login, no setup.

100% Free Works Offline Privacy First

Most Used

Code Compiler Live Code Editor SQL Runner & Studio Base Converter ATS Resume Builder CGPA Calculator

16 tools

Popular

IDE & Code

Multi-Language

Code Compiler

Multi-language cloud compiler supporting Python, JavaScript, C++, Java, and Go with real-time execution.

Live Code Editor

Real-time HTML5, CSS3, and JavaScript playground with instant preview and zero-latency testing.

SQL Runner & Studio

In-browser SQL database studio to practice queries, test schemas, and inspect relational datasets.

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DSA & Algorithms

Visualizer

Data Structures Visualizer

Step-by-step animations for Linked Lists, Binary Trees, Bubble/Merge/Quick Sort, and Dijkstra.

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Computer Systems

OS Simulator

OS CPU Scheduler

Process scheduling simulator with FCFS, SJF, Round Robin, and Priority algorithms + Gantt charts.

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Networking

CIDR & IPv4

IP Subnet Calculator

CIDR network planner to calculate subnet masks, usable host ranges, broadcast IPs, and wildcard masks.

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Data Parsing

Validator

JSON Formatter & Validator

Beautify, validate, and minify nested JSON payloads with instant error detection and tree view.

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Text Engine

Live Match

Regex Tester & Debugger

Live regex workbench with captured group breakdowns, regex flags, and instant match highlighting.

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Cybersecurity

SHA-256 / MD5

Cryptographic Hash Generator

Generate secure MD5, SHA-1, SHA-256, and SHA-512 cryptographic checksums with one-click copy.

Base Converter

Convert number systems between Binary (Base 2), Octal (Base 8), Decimal, and Hexadecimal instantly.

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Encoding

ASCII / UTF-8

Text to Binary & Hex

Convert plain text into binary ASCII bytes, hexadecimal strings, and base representations.

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Conversion

Compute Units

Unit & Data Converter

Calculate accurate storage values across bits, bytes, KB, MB, GB, and TB with transfer rate conversion.

ATS Resume Builder

Build high-impact, ATS-optimized tech resumes with structured formatting and instant export.

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Grading

University Formula

Percentage to CGPA Converter

Official university formula to convert percentage marks into standardized CGPA and SGPA scores.

CGPA Calculator

Track cumulative grade point average across all diploma and degree semesters with credit-weighted scoring.

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Academics

Credit Weighted

SGPA Calculator

Calculate individual semester GPA using subject grade points and credit weights per university standards.

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CS, IT & AcademicTools Hub

Code Compiler

Live Code Editor

SQL Runner & Studio

Data Structures Visualizer

OS CPU Scheduler

IP Subnet Calculator

JSON Formatter & Validator

Regex Tester & Debugger

Cryptographic Hash Generator

Base Converter

Text to Binary & Hex

Unit & Data Converter

ATS Resume Builder

Percentage to CGPA Converter

CGPA Calculator

SGPA Calculator

CS, IT & Academic
Tools Hub