Free Online Developer Tools

A collection of fast, browser-based tools including JSON formatter, CSV converters, color tools, and more — built for developers and data professionals.

Encoder / Decoder

Open →

Quickly encode or decode Base64, URL, HTML, and more.

Encode / Decode

Fake Data Generator

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Generate fake data for testing and development.

Generator

Color Gradient Toolbox

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Generate beautiful color palettes for your projects.

Colors Gradients Generator Tools

Color Converter

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Convert colors between HEX, RGB, RGBA, and OKLCH.

Color Picker RGB → HEX RGBA → HEX HEX → RGB HEX → RGBA HEX → OKLCH OKLCH → HEX

Unit Converter

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Convert values between different units easily.

Length Weight Temperature Time Area Volume Speed Pressure Energy Data Power

Data Tools

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Convert and validate data between multiple formats.

JSON Formatter JSON Validator JSON → CSV CSV → JSON JSON → YAML JSON → TOML TOML → JSON JSON → SQL SQL → JSON JSON → Excel Excel → JSON YAML → Go

Image Compressor

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Compress images to JPEG, PNG, or WebP formats.

Task Manager

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Manage daily tasks, goals, and team projects.

Border Radius Visualizer

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Create and preview border-radius styles live.

QR Code Studio

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Generate, scan, and batch-create QR codes.

Generate Scan Batch

Text Converter

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Transform your text into 20+ formats instantly.

What are online developer tools?

Online developer tools are web-based utilities that help developers perform common tasks like formatting JSON, converting data formats, generating colors, and more — without installing any software.

Tools available on TheCodingCo

Our platform includes a wide range of tools such as JSON formatter, CSV to JSON converter, color utilities, unit converters, QR code generators, and more — all designed to be fast, simple, and privacy-focused.

Why use browser-based tools?

Browser-based tools eliminate setup time and work instantly across devices. They are ideal for developers, data engineers, and students who need quick and reliable utilities without installing additional software.

Have ideas or feedback? Contact us at contact@thecodingco.in