*** 100% FREE & CLIENT-SIDE *** ZERO DATA LEAVES YOUR BROWSER *** NO LOGINS REQUIRED *** AVAILABLE FOR FULLSTACK FREELANCE *** SUPPORT US ON BUY ME A COFFEE *** V4.0 ONLINE
*** 100% FREE & CLIENT-SIDE *** ZERO DATA LEAVES YOUR BROWSER *** NO LOGINS REQUIRED *** AVAILABLE FOR FULLSTACK FREELANCE *** SUPPORT US ON BUY ME A COFFEE *** V4.0 ONLINE
*** 100% FREE & CLIENT-SIDE *** ZERO DATA LEAVES YOUR BROWSER *** NO LOGINS REQUIRED *** AVAILABLE FOR FULLSTACK FREELANCE *** SUPPORT US ON BUY ME A COFFEE *** V4.0 ONLINE
*** 100% FREE & CLIENT-SIDE *** ZERO DATA LEAVES YOUR BROWSER *** NO LOGINS REQUIRED *** AVAILABLE FOR FULLSTACK FREELANCE *** SUPPORT US ON BUY ME A COFFEE *** V4.0 ONLINE
๐Ÿ”
50+ TOOLS READY

PRO SUITE

9 TOOLS

1. IMAGES & MEDIA

5 TOOLS

2. DESIGN & ART

8 TOOLS

3. DEV & DATA

18 TOOLS
๐Ÿ•ธ๏ธ
PRO

GraphQL Builder

Design GraphQL schemas, types & mutations visually with SDL export.

OPEN ->
๐Ÿ›ก๏ธ
PRO

.ENV Security Scanner

Audit .env files for leaked AWS, Stripe & OpenAI secrets locally.

OPEN ->
โšก
PRO

API Mock Generator

Generate realistic JSON fixtures & dummy REST datasets in-browser.

OPEN ->
๐Ÿณ
PRO

Docker Compose Builder

Build production multi-container docker-compose.yml stacks visually.

OPEN ->
TS
HOT

JSON to TypeScript

Convert JSON objects into TypeScript interfaces and types instantly.

๐Ÿ“
PRO

SQL to TypeScript / Zod

Convert SQL CREATE TABLE into TypeScript types, Zod schemas & Prisma.

OPEN ->
๐Ÿ›ก๏ธ
NEW

JWT Debugger

Decode & inspect JSON Web Tokens safely (100% Client-Side).

OPEN ->
โšก
NEW

cURL to Fetch

Convert cURL commands to JavaScript fetch() and Axios.

OPEN ->
๐Ÿ
HOT

cURL to Python

Convert cURL commands to Python requests with headers & JSON.

OPEN ->
๐Ÿ”—
NEW

URL Encode/Decode

Encode/decode URI components and parse query string params.

OPEN ->
โฐ
NEW

Cron Generator

Visual cron schedule generator & execution explainer.

OPEN ->
{}
NEW

JSON Formatter

Validate, prettify, and minify JSON data structures.

OPEN ->
.*
NEW

Regex Tester

Real-time regex evaluation with match highlighting.

OPEN ->
๐Ÿท๏ธ
NEW

Meta & OpenGraph

Generate SEO & social card meta tags with preview.

OPEN ->
๐Ÿ“Š

JSON <> CSV

Two-way local data converter between CSV and JSON.

OPEN ->
DB

SQL Beautify

Format and clean up complex SQL queries.

OPEN ->
๐Ÿ“

PX โ†” REM

CSS PX to REM conversion calculator.

OPEN ->
โฑ๏ธ

Timestamp

Unix Timestamp & Date converter.

OPEN ->
64

Base64 Tool

Encode and decode text or files to Base64 format.

OPEN ->
โŒจ๏ธ

Keycode Info

Real-time JavaScript keyboard event inspector.

OPEN ->
โš–๏ธ

Diff Checker

Compare two texts and highlight differences.

OPEN ->
๐Ÿ–ง

CIDR Calculator

IP subnet, mask & host range calculator.

CALCULATE ->

4. TEXT & WRITING

5 TOOLS

5. SECURITY & CRYPTO

6 TOOLS

6. OSINT & INVESTIGATION

3 TOOLS

7. UTILITIES

3 TOOLS

โ˜… RECOMMENDED TECH & DEV GEAR

Curated Hardware & Books
SECURITY IN STOCK โ€ข 69.60โ‚ฌ
Yubico YubiKey 5C NFC

YubiKey 5C NFC

โ˜…โ˜…โ˜…โ˜…โ˜… 4.7/5 (7,211 reviews)

Hardware two-factor security key (USB-C & NFC) for phishing-proof authentication.

IN STOCK โ€ข 41.99โ‚ฌ
The Clean Coder Book

The Clean Coder

โ˜…โ˜…โ˜…โ˜…โ˜… 4.7/5 (2,242 reviews)

A code of conduct for professional programmers: craftsmanship, testing, and discipline.

HARDWARE IN STOCK โ€ข 200.23โ‚ฌ
Raspberry Pi 5

Raspberry Pi 5

โ˜…โ˜…โ˜…โ˜…โ˜… 4.7/5 (2,970 reviews)

Next-gen single-board computer for self-hosting local servers, VPNs, and automation.

VISION LAB IN STOCK โ€ข 92.46โ‚ฌ
ELP USB Camera Module

ELP USB Vision Camera

โ˜…โ˜…โ˜…โ˜…โ˜† 4.0/5 (89 reviews)

High-precision varifocal 5-50mm USB sensor for computer vision, robotics, and forensics.

DESK SETUP IN STOCK โ€ข 34.99โ‚ฌ
KOORUI Gas Spring Monitor Arm

KOORUI Monitor Arm (17-32")

โ˜…โ˜…โ˜…โ˜…โ˜† 4.4/5 (395 reviews)

Ergonomic gas spring mount (VESA 75/100mm), ยฑ72ยฐ tilt, 360ยฐ rotation with cable management.

LIGHTING CHOICE โ€ข 66.99โ‚ฌ
Quntis Monitor Light Bar Glow 51cm

Quntis Light Bar Glow (51cm)

โ˜…โ˜…โ˜…โ˜…โ˜† 4.4/5 (1,974 reviews)

ScreenBar with wireless dial remote, front & backlight LED, anti-glare eye protection for night coding.

DESK MAT CHOICE โ€ข 12.49โ‚ฌ
Amazon Basics Extended XXL Desk Mat

Amazon Basics XXL Desk Mat

โ˜…โ˜…โ˜…โ˜…โ˜… 4.6/5 (41,383 reviews)

Extended 902 x 429 mm gaming mouse pad with non-slip rubber base for full desk coverage.

MUST-READ PROMO โ€ข 52.53โ‚ฌ
Designing Data-Intensive Applications Book

Data-Intensive Applications

โ˜…โ˜…โ˜…โ˜…โ˜† 4.1/5 (219 reviews)

The ultimate bible on distributed systems, data architecture, scalability, and replication by Martin Kleppmann.

โ˜… As an Amazon Associate, RetroBox earns from qualifying purchases at no extra cost to you. We only curate equipment we personally use and recommend.

๐Ÿ“š DEVELOPER GUIDES & TUTORIALS

TECH ARTICLES & HOW-TOS
6 GUIDES ONLINE
โš  FULLSTACK ENGINEER AVAILABLE

NEED A DEVELOPER ?

Looking for a passionate fullstack engineer to build custom web tools, APIs, or modern applications?
Let's discuss your project today.

F.A.Q & PRIVACY FIRST

๐Ÿ”’ Are my files, passwords, or data uploaded to remote servers? +
Never. RetroBox runs 100% in your browser using modern Web Crypto, WebAssembly, and Canvas APIs. Your data never leaves your computer.
๐Ÿ’ธ Are these tools completely free to use? +
Yes, 100% free with no subscriptions, no paywalls, and no intrusive ads. You can support the project on Buy Me a Coffee!

๐Ÿ“ฒ INSTALL AS A DESKTOP APP

Windows โ€ข Mac โ€ข Linux โ€ข 1-Click

Want a dedicated app window without browser tabs? Install RetroBox straight to your taskbar or dock in one click, then cache every tool so the whole suite keeps working with no connection at all.

โšก 1-CLICK INSTANT INSTALL
Zero suspicious .exe warnings. Installs securely via Chrome or Edge straight to your OS applications menu.
๐ŸชŸ STANDALONE WINDOW
Opens in its own clean window without browser tabs, bookmarks, or address bars.
๐Ÿ”’ WORKS WITH NO NETWORK
Tools you open are cached as you go. Hit Cache every tool below and all 56 are stored up front.
๐Ÿ”„ ALWAYS AUTO-UPDATED
Never download updates manually. The app refreshes itself in the background whenever you are online.
๐Ÿงฉ GET CHROME EXTENSION โ†— โญ GET PRO LIFETIME KEY ($4.00) โ†—