Developer Tools | The Free Tools Directory

.gitignore Generator6 options

The .gitignore Generator is a free online tool to create standard .gitignore files for your project language and IDE. It supports many languages, frameworks, editors, and OS presets and lets you preview and download the result. ([rootutils.com](https://rootutils.com/tools/gitignore-generator))

6 options💻 Developer

.env File Generator6 options

Their .env Generator offers presets for frameworks like Next.js, Node.js, React, Laravel, and Django, and includes common service variables (AWS, Stripe, Firebase). It can generate both .env and .env.example files with placeholders and supports copy/download. ([tanphatdigital.com](https://tanphatdigital.com/vi/tools/env-generator))

6 options💻 Developer

.htaccess redirection6 options

Generates 301 redirect code with options that include Apache .htaccess output, letting you produce redirect rules from old to new URLs. Useful for quick .htaccess redirect snippets. ([codebeautify.org](https://codebeautify.org/301-redirect-code-generator?utm_source=openai))

6 options💻 Developer

Real Estate Calculators6 options

Navigating the complexities of property transactions and investments requires precise financial planning. This comprehensive suite of real estate calculators provides users with the data needed to evaluate mortgage options, analyze rental yields, and assess property investment potential. Whether determining monthly payments or comparing the long-term benefits of buying versus renting, these tools simplify intricate calculations to support more informed housing decisions. Homebuyers, renters, and real estate professionals can utilize these specialized resources to gain clarity on diverse housing-related costs. The collection covers everything from initial down payment requirements and closing costs to ongoing property management expenses and appreciation rates. By offering a centralized location for diverse financial scenarios, the platform helps individuals manage their portfolios and understand the full fiscal impact of their real estate ventures.

6 options💻 Developer

Base64 to YAML5 options

This free tool decodes Base64 input directly into YAML output in the browser. It supports paste/upload input, automatic conversion, and copy/download actions. The page states conversion is client-side for privacy and requires no paid plan for basic use.

5 options🔐 Encoders & Decoders

Battery charge manager6 options

This Battery Charge Time Calculator estimates charging duration using battery capacity, charging current, state of charge, and battery chemistry. It supports practical charge-time planning for devices and vehicles with formula-based outputs. The tool is interactive and free to use directly in the browser.

6 options💻 Developer

Screenshot of Azure AD PowerShell Generator

Azure AD PowerShell Generator5 options

Graph Explorer is a free web tool for testing Microsoft Graph endpoints and viewing generated code snippets, including PowerShell for supported operations. You can run Azure AD/Entra scenarios such as user and group management, then copy PowerShell commands for automation. It is actively maintained by Microsoft and does not require a paid plan to use basic functionality.

5 options💻 Developer

Password Generator4 options

A random password generator to create strong and secure passwords. To ensure security, they are generated on the webpage without being sent over the internet.

4 options🛡️ Securitycalculator free internet

Bar graph maker5 options

Miro offers a free bar chart maker within its charting features, allowing users to create and present bar graphs directly on boards. It supports quick setup, customization, and collaborative editing. A free tier is available, while advanced limits and integrations are part of paid plans.

5 options💻 Developer

Image to PDF Converter2 options

Converting images into professional PDF documents becomes a seamless process with this versatile web-based converter. It allows users to combine multiple photos or graphics into a single, organized file directly from their browser. Whether working on a desktop or using a mobile device like an iPhone or Android, the interface adapts to ensure a smooth experience for gathering visual assets into a portable format. Developers and creative professionals often need to bundle screenshots, technical diagrams, or project documentation into a standardized document for sharing or archiving. By streamlining the conversion process, it eliminates the need for complex software or manual layout adjustments. The resulting PDFs maintain the clarity of the original images while offering the broad compatibility and structured layout inherent to the PDF standard.

2 options💻 Developer

CSV TO JSON2 options

Convert CSV files to JSON format instantly with browser-based processing

2 options🔄 Data Format Converters

Case converter2 options

Case converter

2 options📝 Text & Encoding

Excel to JSON Converter2 options

Developers and data analysts often need to bridge the gap between traditional spreadsheets and modern web applications. Excel to JSON Converter simplifies this workflow by transforming standard XLSX or XLS files into structured JSON data. It handles the transition from cell-based layouts to object-oriented formats, making it easier to integrate legacy data or manually managed lists into software projects, APIs, and databases. The utility supports multi-sheet workbooks, allowing users to export entire datasets or specific tabs into a single JSON output. Custom formatting options ensure the resulting data structure aligns with specific project requirements, whether that involves mapping headers to keys or adjusting how null values and dates are handled. By automating the conversion process directly in the browser, it eliminates the need for complex scripts or manual data entry while maintaining data integrity across large collections.

2 options🔄 Data Format Converters

Morse Code Translator2 options

Find out how to write a message in Morse code and how to translate back to plain text with our handy Morse code translator.

2 options🧮 Miscellaneous CalculatorsTech and electronics calculators

File Metadata Analyzer

Extract EXIF/GPS from photos, PDF properties, audio ID3 tags, and Office document metadata. View GPS on Google Maps. Export CSV reports.

1 option💻 Developer

HTTP Status Codes

Comprehensive HTTP status code reference with search and explanations

1 option💻 Developer

Git Branch Visualizer

Compare Git branching strategies visually. Understand GitFlow, GitHub Flow, and trunk-based development with diagrams and commands.

1 option💻 Developer

Terraform Plan Explainer

Analyze Terraform plans for security risks, blast radius, and dependencies. Reduce production incidents by understanding infrastructure changes before applying them.

1 option💻 Developer

YAML to JSON Converter

Seamlessly bridging the gap between two of the most popular data serialization formats, the YAML to JSON Converter provides a reliable way to transform configuration files and data structures. Developers and system administrators frequently use this utility when migrating settings between environments or preparing data for APIs that require strict JSON formatting. It handles the nuances of both formats, ensuring that complex hierarchies and nested objects remain intact during the translation process. The utility offers bidirectional functionality, allowing users to switch between YAML and JSON as their project requirements evolve. It includes comprehensive support for YAML-specific features such as comments and anchors, which are often lost in basic conversion scripts. By automating the transformation, the converter helps maintain data integrity and saves time when working with Kubernetes manifests, CI/CD pipelines, or web application configurations.

1 option🔄 Data Format Converters

Data Format Converter

Convert between JSON, YAML, XML, TOML, and CSV with real-time validation

1 option🔄 Data Format Converters

SQL Formatter

Format and beautify SQL queries with multi-dialect support

1 option✨ Code Formatters & Validators

Advanced Word Counter

Real-time word counter with readability analysis, SEO optimization, keyword density, writing goals, and productivity tracking

1 option📝 Text & String Tools

Color picker2 options

Designers and developers often need a precise way to select and translate colors across different digital formats. A color picker provides an interactive interface for choosing specific hues and immediately obtaining their corresponding values in HEX, RGB, HSL, and HSV. This versatility ensures that visual elements remain consistent across web projects, graphic designs, and software applications. Beyond simple selection, the ability to convert between these formats simplifies the workflow for creators working in various environments. Whether adjusting saturation and lightness for a UI component or matching a brand color code provided by a client, the utility offers immediate feedback. By streamlining the color selection process, it helps maintain design integrity and technical accuracy throughout the creative lifecycle.

2 options🎨 Color Tools

Unix Timestamp Converter

Convert between Unix timestamps, Windows FILETIME, LDAP, WebKit/Chrome, and Cocoa/Mac timestamps with batch support

1 option💻 Developer