45+ Tools for Developers

Your Complete Web Developer Toolbox

Transform, analyze, encode, and generate data using fast, in-browser tools. No accounts, no downloads, full privacy.

Find a tool... (JSON, Image, Token, etc.)⌘K

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45+

Available Tools

Tool Categories

Supported Languages

What Makes Web Toolkit Different?

Privacy First

All operations are executed directly in your browser. Your files and data never leave your machine.

Instant Performance

No backend processing or delays. Every tool responds immediately for maximum efficiency.

Free with Optional Pro

Access dozens of tools at no cost. Upgrade only if you need advanced capabilities.

Offline Ready

After initial load, many tools remain usable even without an internet connection.

Designed with Developers in Mind

Web Toolkit is created by developers who understand the challenges of modern workflows. Jumping between multiple platforms, installing unnecessary software, or risking data exposure can slow you down. Our goal was to eliminate those obstacles by bringing essential tools into one unified interface.

Unlike many online utilities that rely on remote servers, Web Toolkit performs all operations locally using cutting-edge browser technologies such as WebAssembly. Sensitive information like API responses, authentication tokens, or configuration files stays entirely on your device at all times.

From everyday tasks like formatting JSON and validating tokens to more advanced needs such as hashing, image optimization, and regex testing, Web Toolkit supports a wide range of development scenarios. Since tools work offline once loaded, it’s an ideal solution for secure environments and developers who value speed.

Browse by Category

See Everything

Text Utilities

JSON Formatter

Easily format, minify, and validate your JSON data.

Open tool

URL Parser

Break down URLs into their components and edit query parameters easily.

UUID/ULID Generator

Generate UUID v1, v4, or ULID with multiple format options.

SQL Formatter

Format SQL queries with support for multiple database dialects.

Cron Parser

Analyze cron expressions and calculate the next scheduled run times.

Markdown Preview

Live preview Markdown content with syntax highlighting.

Media Tools

Image Resizer

Resize images, change formats, and adjust quality directly in your browser.

App Icon Generator

Create app icons for iOS, Android, and favicon in all necessary sizes.

QR Code Generator

Generate QR codes for URLs, WiFi, contacts, and more with ease.

Color Picker

Pick colors from images and generate complete color palettes.

Box Shadow Generator

Create and edit CSS box-shadow styles visually, then copy the code.

Gradient Generator

Design CSS gradients visually and export the generated code.

Data Converters

Unix Timestamp

Convert Unix timestamps to readable dates and vice versa.

Base64 Converter

Encode text or files to Base64, and decode Base64 back to original content.

Number Base Converter

Switch numbers between binary, octal, decimal, and hexadecimal.

URL Encoder/Decoder

Encode or decode URLs for safe transmission and usage.

HTML Entity Encoder

Convert special HTML characters to entities and decode them back.

CSS to Tailwind

Convert standard CSS styles into Tailwind CSS classes.

Security Tools

JWT Decoder

Decode JWT tokens to inspect the Header, Payload, and expiration details.

Open tool

Hash Generator

Create and compare MD5, SHA-1, SHA-256, and SHA-512 hashes.

See Everything (45 Available Tools)

Built for All Development Roles

Frontend Engineers

Resize and optimize images, manage color formats, generate UI assets, and clean up API responses. Everything you need to craft responsive and polished user interfaces.

Backend Engineers

Inspect JWTs, create hash values, encode or decode data, analyze URLs, and format SQL queries. Essential utilities for backend logic and API-driven systems.

DevOps & Infrastructure

Work with cron schedules, timestamps, UUIDs, and command-line utilities. Simplify automation and system maintenance tasks with reliable browser-based tools.

How Web Toolkit Works

Select a Tool

Explore more than 30 tools organized into clear categories, or use the search bar and shortcut (⌘K) to access them instantly.

Input Your Data

Paste text, upload files, or adjust settings. Results update immediately with real-time validation and previews.

Use the Output

Copy results with one click, download processed files, or continue working—no login or data storage involved.

Common Questions

Start Working Smarter Today

Thousands of developers rely on Web Toolkit every day to save time and simplify their workflow. Just open the site and get started.

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