Developer & Educational Tools Hub
Access 100+ curated open-source web utilities, admin-recommended apps, and our interactive GitHub Advanced Search Engine. All tools are 100% free forever.
Admin Featured Tools
100+ Open World & Open Source Free Web Tools
Categorized library of essential developer utilities, AI tools, converters, PDF editors & graphic software.
JSONFormatter.org
Format, validate, beautify, and convert JSON data online instantly.
Regex101
Powerful online regular expression tester, debugger, and cheat sheet.
Base64 Decode & Encode
Convert plain text and binary files to Base64 and vice versa effortlessly.
JWT.io Debugger
Decode, verify, and generate JSON Web Tokens (JWT) securely.
Diffchecker
Compare text, code, images, and files to see differences instantly.
SQL Format
Beautify and format complex SQL queries for MySQL, PostgreSQL, SQLite.
CyberChef
GCHQ's Swiss Army knife for encryption, hashing, encoding, and data analysis.
Postwoman / Hoppscotch
Open-source lightweight API development ecosystem and HTTP tester.
Carbon (Code Snippets)
Create and share beautiful images of your source code.
StackBlitz
Instant fullstack WebContainers IDE right inside your browser.
JSFiddle
Test and prototype HTML, CSS, and JavaScript snippets live.
HTMLMinifier
Compress and minify HTML, inline CSS, and JavaScript code.
CSS Generator (CSSmatic)
Generate CSS gradients, box shadows, border radius, and noise textures.
Markdown Live Preview
Write, edit, and preview Markdown formatted documents in real-time.
UUID Generator
Generate version-1, 4, and 5 random UUIDs / GUIDs for database keys.
SVGOMG Optimizer
Optimize SVG vector images to reduce file sizes without losing quality.
DevDocs.io
Fast, offline API documentation browser for all major languages and frameworks.
Crontab Generator
Easy crontab expression generator and descriptor for Linux scheduled tasks.
Caniuse
Check web browser support tables for modern HTML5, CSS3, and JS features.
Flexbox Froggy
Interactive game to learn CSS flexbox layout step by step.
Hugging Face Spaces
Explore thousands of open-source AI models, demos, and LLM applications.
ChatGPT Free
OpenAI's powerful conversational AI assistant for research, coding, and writing.
Claude AI
Anthropic's advanced AI assistant built for reasoning, coding, and analysis.
Perplexity AI
AI-powered search engine delivering direct cited answers to your questions.
Phind (AI for Developers)
Intelligent search engine engineered specifically for software developers.
DeepSeek AI
Cutting-edge open-source reasoning model for code generation and math.
Playground AI
Free AI image generator and editing platform driven by Stable Diffusion.
Leonardo.Ai Free
Generate production-quality visual assets with fine-tuned AI models.
Clipdrop by Stability AI
Suite of AI editing tools: cleanup images, remove background, uncrop & relight.
Vocal Remover AI
Separate voice from music in audio files using powerful AI algorithms.
Google AI Studio
Prototype with Gemini 1.5 Pro and Flash models for free with API keys.
Replicate Web Models
Run open-source machine learning models in your browser with cloud API.
Scribble Diffusion
Turn crude hand sketches into realistic AI-generated images.
Grammarly Free
AI writing assistant for checking grammar, tone, and clarity.
TTSMP3 (Free Text to Speech)
Convert written text into natural mp3 voiceovers in dozens of languages.
Photopea Online Editor
Free online image editor supporting PSD, AI, Sketch, and XD formats in browser.
Excalidraw
Virtual hand-drawn whiteboard for collaborative diagramming and architecture sketches.
Remove.bg
Remove background from images automatically in seconds.
Coolors Palette Generator
Create, browse, and export color palettes for websites and UI design.
Unsplash Free Photos
High-resolution, copyright-free stock images for commercial and personal projects.
SVGRepo Icons
Over 500,000+ open-licensed SVG vector icons and graphics for designers.
Lucide Icons
Beautiful & consistent open-source icon set for modern web applications.
Canva Free Graphic Suite
Design social media graphics, posters, presentations, and logos online.
TinyPNG Image Compressor
Smart PNG and JPEG compression tool to shrink image file sizes.
Draw.io / diagrams.net
Free online diagram software for making flowcharts, network maps, and ER diagrams.
Figma Web Free
Collaborative web interface design, UI prototyping, and wireframing tool.
Haikei Blob & Wave Generator
Generate unique SVG shapes, blobs, gradients, and wave backgrounds.
Font Pair
Discover perfect Google Fonts pairings for your website headers and body copy.
Blobmaker
Create organic SVG blobs with custom complexity and color for web design.
Realtime Colors
Visualize custom color palettes on a live website layout template.
iLovePDF Suite
Merge, split, compress, convert, edit, and sign PDF files 100% online.
TinyWoW Free File Utilities
100% free online PDF, image, video, and file processing tools without signup.
Smallpdf Free
Compress, convert, and sign PDF files with an intuitive drag & drop interface.
OCR.space Online OCR
Convert scanned PDF documents and image files to editable text.
PDF24 Tools
Free, unlimited browser tools to edit, protect, convert, and compress PDFs.
PDF2Go
Edit PDF documents online, change layout, rotate pages, and repair damaged PDFs.
CloudConvert
Convert any document, spreadsheet, presentation, image, or archive format.
Sejda PDF Desktop & Web
Edit PDF text directly, fill out forms, add signatures, and split pages.
PDF Candy
47 online PDF tools to convert Word, Excel, JPG to PDF and extract text.
DocuSign Free Viewer
Sign and verify legal PDF documents electronically.
Have I Been Pwned
Check if your email or password has been compromised in a data breach.
VirusTotal Scanner
Analyze suspicious files, URLs, domains, and IP addresses for malware.
Bitwarden Password Generator
Generate strong cryptographic passwords and secure passphrase strings.
DNSChecker.org
Check global DNS propagation across dozens of server locations worldwide.
IPLeak.net
Test your VPN connection for WebRTC leaks, DNS leaks, and torrent IP leaks.
SSL Shopper Checker
Verify website SSL/TLS certificate installation and expiration date.
Shodan Search Engine
Search engine for Internet-connected devices, servers, and IoT hardware.
URLScan.io
Scan and analyze website domain behavior, DOM tree, and network requests.
Temp Mail (Disposible Mail)
Generate temporary disposable email addresses to avoid spam.
Exploit Database
CVE vulnerability search engine and public exploit repository for cybersecurity.
Notion Workspace
All-in-one workspace for notes, tasks, wikis, project management, and study logs.
Pomofocus Timer
Customizable Pomodoro timer to boost study focus and work productivity.
Speedtest by Ookla
Test your internet connection download speed, upload speed, latency & ping.
Trello Boards
Visual Kanban boards to manage project tasks, workflows, and student assignments.
Clockify Time Tracker
Free time tracking app for logging study hours and project timesheets.
WolframAlpha Computational Engine
Compute expert-level math formulas, scientific data, and physics equations.
Geogebra Math Calculator
Interactive geometry, 3D graphing, algebra, calculus, and statistics calculator.
Desmos Graphing Calculator
Plot functions, visualize data tables, and solve algebraic equations online.
WhatIsMyIP.com
Find your public IPv4/IPv6 address, ISP hostname, and geographic location.
UserAgentString.com
Parse browser user agent string headers to detect OS and rendering engine.
MXToolbox DNS & Email Lookup
Lookup MX records, SPF, DKIM, DMARC, and email blacklists.
HTTP Status Codes Cheat Sheet
Complete reference for 200, 301, 404, 500, and 502 HTTP response headers.
Ping.eu Online Ping & Traceroute
Perform online ping, traceroute, port scan, and WHOIS domain queries.
PageSpeed Insights by Google
Analyze Core Web Vitals, Lighthouse performance, and page loading speed.
GTmetrix Speed Test
Detailed web performance metrics, waterfall charts, and site optimization advice.
W3C Markup Validation Service
Check the markup validity of Web documents in HTML, XHTML, SMIL, XML.
GitHub Advanced Search Engine Tool
Explore Open Source Repositories
Search millions of free open-source projects, libraries, tools, and developer source code live from GitHub.
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