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Find the right tool
Browse the tools in this category or search for a specific name, keyword, or task.
15 tools
Free online tools from AabiTech
Developer Tools
Free online developer tools for JSON, Base64, URL encoding, regex, HTML, JWT, and other everyday programming and web development tasks.
Browse Developer Tools
Choose a tool below or search the collection to find the one that fits your task.
JSON to Pydantic Converter
Convert JSON data into Python Pydantic models with nested types, optional fields, and Pydantic v1 or v2 syntax.
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Base64 Encoder & Decoder
Free online Base64 encoder and decoder with UTF-8 and URL-safe Base64 support. Encode text to Base64 or decode Base64 back to readable text directly in your browser.
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URL Encoder & Decoder Online
Encode or decode URLs and URL components online. Fast, free, and easy-to-use URL encoding and decoding tool for developers.
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JSON Formatter & Validator
Format, beautify, validate and minify JSON online. Free browser-based JSON formatter with error location, tree view and local processing.
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Regex Tester
Test regular expressions against sample text online.
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HTML Beautifier
Format, beautify, pretty print and minify HTML online with customizable indentation, wrapping and whitespace options.
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JWT Decoder
Decode and inspect JSON Web Tokens online. View JWT headers, payload claims, timestamps and expiration status directly in your browser.
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Tailwind CSS to Email-Safe Inline Style Converter
Convert Tailwind CSS HTML into email-friendly inline CSS with responsive rules and compatibility diagnostics.
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Laravel .env Validator & Diff Checker
Validate Laravel .env files and compare two environment configurations to identify syntax issues, missing keys, and configuration changes.
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SQL to Laravel Migration Converter
Convert SQL CREATE TABLE statements into Laravel migration code with schema, column, key, index, and constraint mappings for Laravel projects.
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Bootstrap to Tailwind Converter Online
Convert Bootstrap 4 and Bootstrap 5 HTML classes to Tailwind CSS v3 and v4 utilities online for free. Includes React JSX className export, responsive grid diagnostics, spacing scale mappings, and a sandboxed live preview.
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RAG Chunking Simulator & Visualizer
Compare RAG text chunking strategies, visualize chunk boundaries and overlap, inspect chunk sizes, estimate token usage and embedding costs, and export chunks for retrieval-augmented generation workflows.
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Requirements.txt to pyproject.toml Converter
Convert Python requirements.txt dependencies into a pyproject.toml project configuration with build-system settings, project metadata, and dependency warnings.
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Terraform & OpenTofu State Visualizer
Visualize Terraform (.tfstate) and OpenTofu state files online into interactive architecture diagrams, dependency graphs, Mermaid.js code, and Draw.io XML—100% client-side with automatic secret masking.
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PromQL Query Builder & Explainer
Build Prometheus queries, explore common PromQL examples, explain query components, and review syntax diagnostics and common pitfalls in one browser-based workspace.
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Browser-based processing
Keep your input on your device when local processing is supported.
Many AabiTech tools can process text, code, numbers, and other input directly in your browser. When a tool works locally, your input can be handled on your device without being sent to AabiTech's servers.
Processing can differ from one tool to another. Check the individual tool page for details about how that tool handles your input.
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Local processing when supported
Browser-based tools can handle supported input directly on your device.
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No unnecessary upload
Local processing means your input does not need to be sent to a server for supported operations.
How to use developer tools
Pick a tool, enter the information it needs, and use the result when you're done. Each tool provides the controls needed for its specific task.
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Enter your input
Add the text, code, numbers, dates, or other information requested by the tool.
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Use the result
Review the result, then copy, download, or use it in your next step.
Explore more tool categories
Browse other AabiTech categories to find tools for different tasks.
6
tools
Text Tools
Free online text tools for counting words and characters, removing duplicate lines, generating slugs, placeholder text, and everyday writing tasks.
2
tools
Design Tools
Simple online design tools for aspect ratio calculations and CSS gradients, helping you create accurate dimensions and color effects quickly.
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tool
Security Tools
Free online security tools for checking password strength and handling common security-related tasks with simple, browser-based utilities.
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tools
Calculators & Generators
Free online calculators for percentages, age, random numbers, and other quick calculations without installing software or using complex spreadsheets.
Frequently asked questions
Common questions about AabiTech's developer tools.
What can I use developer tools for?
Free online developer tools for JSON, Base64, URL encoding, regex, HTML, JWT, and other everyday programming and web development tasks.
Do I need to install software?
No installation is required to use AabiTech's online tools. Open a tool in a modern web browser and use the features available on its page.
Are these tools free to use?
AabiTech tools are available to use online without a paid subscription. Open the tool you need and use the functionality provided on its page.
Is my input uploaded to a server?
Many AabiTech tools can process input directly in your browser. When a tool supports local processing, the input does not need to be sent to AabiTech's servers. Processing can vary by tool, so check the individual tool page for details.
Looking for another tool?
Browse the full AabiTech collection for tools covering development, writing, calculations, design, security, and other everyday digital tasks.