100% Client-Side Engine • Zero Server Roundtrips

Supercharge your workflow with
DevTools Pro

A suite of 48 high-performance micro-apps built for developers — schema designers, request converters, password diceware, subnet calculators, and formatters.

48+

Developer Tools

6

Categories

0ms

Server Latency

devtools-pro-interactive.sh

LIVE PREVIEW

-- Generated PostgreSQL Schema
CREATE TABLE "users" (
  "id" SERIAL PRIMARY KEY,
  "email" VARCHAR(255) NOT NULL UNIQUE,
  "role" VARCHAR(50) DEFAULT 'USER'
);

DDL & Prisma & TS

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ENGINEERED FOR POWER USERS

Built for modern engineering workflows

Everything you need for rapid debugging, security generation, network planning, and schema modeling.

0ms Overhead

Client-Side Engine

All 48 micro-apps process data strictly inside your browser using WebAssembly and Web Crypto API. No server latency.

Private & Offline

Zero Telemetry Privacy

Your secrets, passwords, RSA keys, and API payloads stay 100% on your device. Zero telemetry, zero analytics tracking.

⌘K Quick Launch

Keyboard-Driven UX

Press ⌘K or / anytime to launch the instant fuzzy search command palette. Switch tools effortlessly without touch context switches.

Polyglot Ready

Multi-Format Exporters

Export SQL DDL, Prisma Schema, TypeScript Interfaces, Diceware Passphrases, and curl scripts across 12+ programming languages.

CATEGORIZED WORKFLOWS

Explore 6 Core Categories

Carefully curated utility suites tailored for every engineering discipline.

Formatting

Visual SQL Schema Designer, SQL Prettifier, Prisma & TypeScript Exporters, SVG to JSX.

Explore 17 tools Featured: SQL

Encoding

cURL to 12+ Languages, JWT Inspector, Base64 Image Converter, HTML Previewer.

Explore 6 tools Featured: cURL

Security

Diceware Passphrase Generator, Entropy Calculator, Bcrypt Hash Inspector, RSA Keys.

Explore 7 tools Featured: Passphrase

Network

Explore 6 tools Featured: Subnet

Text

Interactive Regex Tester, Smart String Mutators, Side-by-Side Diff Checker, Mock Data.

Explore 8 tools Featured: Regex

Date & Time

Cron Expression Visualizer & Countdown, Timezone Converter Matrix, Nepali Calendar.

Explore 4 tools Featured: Cron

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Recently Added

6

CSV ↔ JSON

Convert between CSV spreadsheets and JSON with type inference

100% Client-side

Favicon Generator

Design SVG favicons from text or emoji with live preview

100% Client-side

URL & Query Parameter Inspector

Inspect, dissect, edit, encode, and rebuild URLs & query strings

100% Client-side

Sitemap Generator

Generate sitemap.xml and robots.txt for SEO

100% Client-side

Romanized to Nepali

Instantly convert Romanized English (e.g., "namaste") to Nepali Unicode (Devanagari).

100% Client-side

SQL Schema Designer

Visually design database schemas, draw relationships, and generate SQL scripts.

100% Client-side

Formatting

17

JSON Beautifier

Format, minify, sort keys & validate JSON

100% Client-side

Color Converter

Convert between hex, RGB, HSL, and more

100% Client-side

YAML ↔ JSON

Bidirectional YAML and JSON conversion

100% Client-side

XML ↔ JSON

Convert between XML and JSON formats

100% Client-side

CSV ↔ JSON

Convert between CSV spreadsheets and JSON with type inference

100% Client-side

HTML Preview

Live render HTML with instant preview sandbox

100% Client-side

CSS Flexbox & Grid Sandbox

Prototype CSS Flex and Grid layouts visually

100% Client-side

JSON to TypeScript

Convert raw JSON into typed TypeScript interfaces

100% Client-side

JSON Schema Generator

Generate draft validation schemas from JSON

100% Client-side

JSONPath Playground

Query JSON payloads with JSONPath expressions

100% Client-side

SVG to JSX/React

Convert SVG into optimized React components

100% Client-side

SQL Formatter & Prettifier

Format SQL statements with configurable casing

100% Client-side

SQL to ORM Entity Generator

Generate ORM models from SQL CREATE TABLE

100% Client-side

Mock Data Generator

Generate random JSON or CSV data from schemas

100% Client-side

GraphQL to TypeScript

Generate TypeScript types from GraphQL schemas

100% Client-side

Docker Run ↔ Compose

Translate Docker run commands to compose configs

100% Client-side

SQL Schema Designer

Visually design database schemas, draw relationships, and generate SQL scripts.

100% Client-side

Encoding

6

Encoder & Decoder Sandbox

Encode/decode via Base64, URL, and HTML entities

100% Client-side

Base Converter

Convert between decimal, hex, binary & octal

100% Client-side

Image to Base64

Convert images to base64 data URLs

100% Client-side

QR Code Generator

Generate QR codes from text, URLs & more

100% Client-side

cURL Converter

Convert cURL commands to Fetch, Axios, Python & Go

100% Client-side

Favicon Generator

Design SVG favicons from text or emoji with live preview

100% Client-side

Security

7

JWT Decoder & Generator

Decode, inspect, and sign JWT tokens

100% Client-side

Hash Generator

Generate SHA-256 & SHA-512 hashes via Web Crypto

100% Client-side

Password Generator

Generate strong passwords with entropy estimation

100% Client-side

AES Encrypt/Decrypt

Encrypt & decrypt text using AES CBC/CTR/GCM modes

100% Client-side

RSA Sandbox

Generate RSA keys, sign messages & verify payloads

100% Client-side

Bcrypt Generator & Checker

Generate and verify Bcrypt hashes with configurable rounds

100% Client-side

Chmod Calculator

Convert Unix permissions: octal, symbolic & special bits

100% Client-side

Network

6

IP Subnet Calculator

Calculate CIDR subnets, mask values & usable hosts

100% Client-side

IPv6 Address Helper

Expand, compress, validate & parse IPv6 addresses

100% Client-side

DNS Record Decoder

Parse DNS queries and responses from HEX streams

100% Client-side

HTTP Status Code Glossary

Searchable reference for all HTTP status codes

100% Client-side

User-Agent Parser

Parse browser UA strings and detect client specs

100% Client-side

URL & Query Parameter Inspector

Inspect, dissect, edit, encode, and rebuild URLs & query strings

100% Client-side

Text

8

Regex Tester

Live regex matching with group capture support

100% Client-side

UUID Generator

Generate bulk UUIDs (v1, v4, v7)

100% Client-side

Text & String Utilities

Analyze word counts, generate Lorem, transform cases

100% Client-side

Diff Checker

Compare texts and highlight line-by-line differences

100% Client-side

Git Command Generator

Visually construct Git commands with explanations

100% Client-side

.gitignore Generator

Compile a .gitignore for OS, IDE & language

100% Client-side

Sitemap Generator

Generate sitemap.xml and robots.txt for SEO

100% Client-side

Romanized to Nepali

Instantly convert Romanized English (e.g., "namaste") to Nepali Unicode (Devanagari).

100% Client-side

Date & Time

4

Date, Time & Epoch Sandbox

Parse timestamps, convert timezones & calculate offsets

100% Client-side

Cron Parser

Translate cron expressions to plain English

100% Client-side

Time Zone Converter

Convert time across IANA timezones worldwide

100% Client-side

Nepali BS ↔ AD Calendar

Convert between Bikram Sambat and Gregorian dates

100% Client-side

Press ⌘K or / anytime to navigate micro-apps