Product Handbook

Launchpad

Configure icons, SEO meta, Open Graph, structured data and robots, then export to your React project.

Color Lab

Convert HEX, RGB and HSL with live preview, harmony palettes, shades and a WCAG AA/AAA contrast checker.

Placeholder Generator

Generate custom placeholder images with any dimension, color, and text for mockups.

Email Designer

Design transactional emails (welcome, password reset, OTP, magic link, receipt) with live desktop and mobile preview, then copy or download email-safe HTML. Runs in your browser.

CSS Studio

Generate CSS gradients, box-shadows, glassmorphism, easing curves, and check WCAG contrast — copy code instantly.

ASCII Studio

Text into figlet banners across 330+ fonts, images into ASCII art with edge detection, plus a copy-ready ASCII art & kaomoji library — export TXT, PNG, SVG, or ANSI.

Coordinate Studio

Build routes, drag markers, and export clean GeoJSON in one place. Search places or click the map to look up precise coordinates.

Policy Generator

Draft a privacy policy, terms of service, cookie policy and GDPR notice from a short form. Copy or download as .txt or Markdown. Runs in your browser.

Data Faker

Spin up believable datasets, IDs, and personas for staging environments in any locale.

JSON Studio

Advanced JSON workspace: edit, query, convert, validate, diff and inspect — plus a YAML ↔ JSON converter with exact error lines — all in the browser.

Log Analyzer

Parse Spring Boot logs in your browser: filter by level, search, expand stack traces, spot IPs, UUIDs and HTTP codes, and export JSON or CSV. Nothing is uploaded.

SQL Studio

Model tables, constraints, and ready-to-run SQL without leaving the browser.

Regex Playground

Build and test regular expressions with live matches, capture groups, and curated presets.

HTTP Reference

The definitive reference for every HTTP status code, with examples, best practices, and instant search.

Diff Checker

Compare two texts side by side and see every addition, removal, and change highlighted.

Password Generator

Deliver enterprise-strong passwords with granular rules and instant strength feedback.

JWT Inspector

Decode, verify (HMAC/RSA/EC/EdDSA) and security-audit JSON Web Tokens — claims, expiry and signature, all in your browser.

Hash Generator

Generate SHA-1, SHA-256, SHA-384, SHA-512, and HMAC hashes from text or files.

Keypair Generator

Generate RSA, EC, or Ed25519 signing keypairs in your browser — PEM private/public keys, a JWKS bundle, and env-var-ready output. Nothing ever leaves your tab.

QR Studio

Create branded QR codes with content presets, custom styles, colors, and logo overlays.

UUID Studio

Generate, inspect and bulk-export UUIDs (v1/v4/v5/v7), ULIDs and NanoIDs — decode versions and timestamps.

Device Tester

Test your hardware in the browser — keyboard keys, speakers with a tone generator, a metronome, webcam & mic, gamepads and phone vibration. Runs locally, nothing is recorded.

Timestamp Converter

Jump between epochs, locales, and readable dates instantly.

Encoder / Decoder

Encode and decode Base64, URL, HTML, Hex, Binary, and 10+ formats in a single click. Parse URLs and edit query parameters, and turn images into Base64 data URIs and back.

CSV Studio

Edit, sort, filter, and export CSV data all inside the browser with zero uploads.

File Converter

Convert images and PDFs right in your browser — PNG, JPG, WebP, PDF and ICO, in almost any direction. Drop a file, pick a target. Nothing is uploaded.

Image Optimizer

Compress, resize, and convert images between JPEG, PNG, and WebP entirely client-side.

Document Scanner

Snap both sides of an ID card, crop and straighten with 4-corner perspective, then export a clean PDF or combined image — all in the browser.

Focus Canvas

A calm focus timer with an embedded notebook for jotting thoughts mid-session.

Rubber Duck

Rubber duck debugging in your browser: explain your bug to the duck, line by line, until you spot it yourself. Private, nothing leaves your device.

Markdown Editor

Write and preview Markdown in real time with a toolbar, keyboard shortcuts, and one-click export.

Cron Builder

Visual cron builder with human-readable preview, next execution dates, and common presets.

Env Studio

Parse, lint, compare, mask, and export .env files — duplicates, missing keys, secrets, and Markdown tables in one place.

Chmod Calculator

Convert Unix file permissions between octal (755) and symbolic (rwxr-xr-x) notation, toggle bits, apply u+x style changes and copy the chmod command.