The Ultimate Developer Toolkit

Simplify Your
Dev Workflow

Access a comprehensive suite of developer tools in one place — from formatters to explorers, everything you need to ship faster. Self-host the full stack for free forever, or use our cloud while we introduce pricing.

Star on GitHub

55+

Dev Tools

100%

Open Source

E2E

Encrypted

https://mydevtools.tech/dashboard

MyDevTools dashboard with pinned tools, search, and app grid

Get Started in Seconds

How It Works

From zero to productive in under a minute.

STEP 01

Sign In Instantly

One-click Google Sign-In on our cloud. No email or password friction. Self-hosting the full app stays free forever; hosted cloud billing is coming soon.

STEP 02

Pick Your Tool

Choose from 55 tools in one unified dashboard. Everything in a single tab.

STEP 03

Work Privately

Data is AES-256 encrypted in your browser before sync. The server never sees your plaintext.

Built for Modern Developers

Real tools, real previews — speed and privacy by default.

Lightning Fast

Format & validate in milliseconds

JSON, SQL, Markdown — formatters and editors that run entirely in your browser. No round-trips, no copy-paste detours.

payload.json

{
  "name": "mydevtools",
  "tools": 55,
  "encrypted": true,
  "open_source": true
}

Open JSON Formatter

Secure & Private

Zero-knowledge vault

github.com••••••••

vercel.com••••••••

anthropic.com••••••••

Developer First

Test endpoints in one tab

GET/api/v1/users 200

{ "id": 42, "ok": true }

Pricing

Self-host free. Cloud & Premium soon.

The same open-source product everywhere. Run it yourself at no cost, or let us host it when paid plans go live.

Self-hosted

$0 forever

Clone the repo, deploy the web app and backend, and use every tool with no license fee and no usage limits from us.

Full source under GPL-3.0
All tools and features included
You control data & infrastructure

View on GitHub

Coming soon

MyDevTools Cloud

Paid plans

Billing not enabled yet — using the cloud is still free for now.

We will charge for managed hosting, convenience, and synced infrastructure so we can sustain the service. Pricing tiers will be announced before billing starts.

Same product, zero deploy hassle
Secure sync and backups from us
Fair notice before any charges

Coming soon

Premium

Add-ons

Optional paid capabilities on top of Cloud — aimed at power users and teams. Details will ship with Premium; nothing essential will be locked away from self-hosters.

Advanced workflows (scope TBA)
Team-oriented features (scope TBA)
Self-host remains fully capable

Tools

The full catalog from the app — open any utility in one click.

Bookmarks

Manage and organize your bookmarks.

Notes

Capture ideas and organize your thoughts.

Code Snippets

Save snippets with syntax highlighting, auto language, view and edit.

Tasks

Manage your to-do lists efficiently.

Email Validator

Verify and validate email addresses.

Environment Manager

Encrypted .env sets per project and environment, with tags.

JWT Decoder

Decode JWT header, payload, and expiry.

Certificate / PEM Decoder

Decode X.509 certificates and CSRs: subject, issuer, validity, SANs.

Encryption Playground

AES-GCM with a raw key or passphrase; encrypt/decrypt JSON bundles locally.

Password Manager

Securely store and manage your passwords.

JSON Formatter

Format, validate, and edit JSON data.

JSON Schema Generator

Infer JSON Schema and typed models from sample JSON.

SQL Formatter

Format SQL for MySQL, PostgreSQL, and SQLite.

GraphQL Formatter

Format GraphQL with syntax highlighting and a query builder.

Markdown Preview

Live Markdown renderer with HTML export and HTML → Markdown conversion.

Format Converter

Convert between JSON, YAML, TOML, and XML in any direction.

Diff Checker

Side-by-side line diff of two texts.

Regex Tester

Test regex with live match highlighting.

Base64 Encoder

Encode and decode Base64 strings.

URL Encoder

Percent-encode and decode URL components.

URL Parser

Break a URL into protocol, host, path, query params, and hash.

Number Base Converter

Convert integers between bases 2–36 locally in your browser.

Timestamp Converter

Unix, ISO, and relative time conversion.

Unit Converter

Convert between 323 units across 43 scientific and engineering categories.

CSV / Excel ↔ JSON

Convert CSV or Excel files to JSON and back. File upload with sensible dates.

Image to Base64

Convert images to Data URI or raw Base64 strings.

UUID / ULID

Generate UUIDs and ULIDs with bulk export.

Secret / API Key

Cryptographically random strings with configurable alphabet and length.

QR Code Generator

Create PNG QR codes from text or URLs locally in your browser.

.gitignore Generator

Generate merged .gitignore files instantly from 500+ stacks.

Docker Compose Generator

Compose local stacks: Postgres, Redis, NGINX, Kafka, Elasticsearch, Prometheus, Grafana, and many more — copy docker-compose.yml.

Lorem Ipsum

Generate placeholder Latin text for layouts and mockups.

Mock Data Generator

Define a schema and export random JSON, CSV, SQL, or XML for dev and API testing.

Cron Builder

Visual cron builder, presets, and parser.

Hash Generator

MD5, SHA-1, SHA-256/384/512 digests for text or files in your browser.

HMAC Generator

HMAC-SHA1/256/384/512 for webhooks and API signing tests in your browser.

TOTP / 2FA Code Generator

Paste a Base32 authenticator secret and see the six-digit code refresh every 30 seconds.

API Client

Test and debug HTTP requests.

HTTP Status Codes

Search HTTP status codes with descriptions (1xx–5xx).

IP / Subnet Calculator

IPv4 and IPv6 CIDR: netmask, host range, and address counts in your browser.

User-Agent Parser

Paste a user-agent string and get browser, OS, and device details.

MIME Type Lookup

Find the MIME type for a file extension or filename.

SQL Client

Connect to PostgreSQL, MySQL, and MariaDB. Run queries with an encrypted credential store.

NoSQL Explorer

Explore MongoDB databases.

S3 Drive

Manage AWS S3 and DigitalOcean Spaces buckets. Browse, upload, and delete files with encrypted credentials.

Color Picker

Convert HEX, RGB, HSL and explore color palettes.

Contrast Checker

WCAG 2.1 contrast ratio for text and background (AA / AAA).

CSS Gradient Builder

Visual CSS gradient builder with angle control and color stops.

Image Compressor

Compress JPEG, PNG, and WebP locally with a quality slider.

SVG Optimizer

Paste SVG, strip junk with SVGO, and see UTF-8 size reduction.

2048

Slide and merge tiles to reach 2048. Classic number puzzle game.

Sudoku

Classic number puzzle. 3 difficulty levels, 150 stages each.

Snake

Classic snake game. Eat food, grow, avoid walls and yourself.

Minesweeper

Classic Minesweeper. Beginner, intermediate, and expert modes.

Tetris

Classic Tetris. Stack pieces, clear lines, level up.

Trusted by the Developer Community

Open source, privacy-first, and community-verified.

100% Open Source

GPL-3.0 licensed. Full source on GitHub. Audit every line, contribute features, or self-host.