Generators

IBAN Generator

Generate valid IBANs for Italy, Germany, France, Spain, UK and other European countries. MOD-97 validation included.

ITDEFRESGBNLBEAT

Persona FisicaPersona GiuridicaP.IVA

Italian Tax Code Generator

Generate valid Italian tax codes for individuals and businesses. Complete database of Italian municipalities.

Business Registration Number Generator

Generate business registration numbers: Italian VAT, European VAT, US EIN, French SIREN/SIRET and more.

P.IVAVATEINSIRENCRN

PasswordSecurityPassphraseGenerator

Password Generator

Generate secure passwords with high entropy. Passphrase mode, bulk generation and advanced options.

Hash Calculator

Calculate MD5, SHA-1, SHA-256, SHA-512 hashes. File support, HMAC and checksum verification.

MD5SHA-256SHA-512HMAC

Lorem IpsumPlaceholderHipsterTech

Lorem Ipsum Generator

Generate placeholder text in various styles: classic, hipster, tech, italian. Paragraphs, sentences, words.

UUID Generator

Generate UUID v4 (random), v7 (timestamp) and ULID. Bulk generation, validation and TXT export.

UUIDULIDv4v7Unique ID

QR Code Generator

Generate custom QR codes from URL, text, vCard or WiFi. Colors, sizes and error correction.

QR CodeURLvCardWiFi

PKCE Challenge Generator

Generate code_verifier and code_challenge pairs for OAuth 2.0 PKCE. S256 and plain methods supported.

PKCEOAuth2SecurityAuth

Fake User/Profile Generator

Generate realistic fake user profiles for testing. 6 locales, JSON/CSV export, complete data.

Fake DataMockUserTesting

JSONMockFake DataTemplate

Mock JSON Generator

Generate mock JSON data with customizable templates and special tokens. Presets for users, products, orders.

CSS Gradient Generator

Create CSS gradients visually: linear, radial, conic. 20 presets, color stop editor, live preview.

CSSGradientDesignColors

GermanyReverse Charge§13b UStGB2B InvoiceUSt-IdNr

Reverse Charge Invoice Generator §13b UStG Germany

Generate §13b UStG compliant Reverse Charge invoices. Mandatory notice in German and English, VAT IDs both parties. HTML download.

Fake DataTest DataJSONCSVSQLMockGenerator

Data Faker Generator

Generate realistic test data: Italian names, emails and addresses, phone numbers, UUIDs, dates, companies. Export as JSON, CSV and SQL INSERT with table preview.

UUIDULIDv4v7BulkGenerator

Bulk UUID / ULID Generator

Generate up to 1000 UUID v4, UUID v7 (timestamp-ordered) or monotonic ULID in one click. CSV, JSON and plain text export.

FaviconPWAHTMLCanvasDesign

Favicon Set Generator

Generate a complete favicon set (16/32/48/180/192/512px) from text or emoji. Client-side Canvas rendering, HTML link tags ready to paste.

SemVerVersioningGitChangelogConventional Commits

SemVer Calculator

Enter current version and commit type (feat/fix/breaking) to get next SemVer, git tag and changelog stub.

IBANMOD-97ValidazioneFinanzaBulk

Bulk IBAN Validator

Validate multiple IBANs at once (one per line). MOD-97 check, country code and length validation. Results table + CSV export.

TypographyCSSTailwindDesignScale

Typography Scale Generator

Generate h1–h6 scales with Major Third, Perfect Fourth, Golden Ratio and more. Export CSS variables, Tailwind config or JS object.

OpenAPI Spec Generator

Generate OpenAPI 3.0 specs from a visual definition of endpoints, parameters and responses. Export to JSON or YAML. Client-side.

openapiswaggerapispec

mockapijson-serverexpress

Mock Server Generator

Define mock API routes and generate ready-to-use json-server (db.json) or Express.js router configs, with configurable status codes and delays. Client-side.

typescriptjsoninterfacecodegen

TypeScript Type Generator

Generate TypeScript interfaces and types from JSON: nested types, arrays, optional, readonly and nullable fields. Instant, client-side.

github-actionsci-cdworkflowyaml

GitHub Actions Generator

Generate GitHub Actions workflow files (.github/workflows/*.yml) from a visual form: triggers, steps, matrix strategy, env, secrets and artifacts. Client-side.

databasesqlschemaer-diagram

DB Schema Designer

Design database schemas visually and generate SQL for PostgreSQL, MySQL and SQLite: tables, columns, constraints and 1-1, 1-N, N-N relationships. Client-side.

Terraform Generator

Generate Terraform HCL files (main.tf, variables.tf, outputs.tf, provider.tf) for AWS, Azure and GCP via a visual form. Zero config, client-side.

terraformiachcldevops

API Mock from Spec

Generate mock responses from an OpenAPI 3.0 spec: paste the spec and get deterministic test data for every endpoint. Client-side.

apimockopenapitesting

Color Palette Generator

Generate harmonious color palettes (complementary, analogous, triadic, monochromatic) from a base color, with tints, a WCAG contrast checker and CSS, SCSS or Tailwind export. Client-side.

colorpalettecssdesign

cssanimationkeyframesdesign

CSS Animation Builder

Build CSS animations with a visual keyframe editor and live preview: duration, timing function, cubic-bezier, direction and fill mode. Generates ready-to-use @keyframes code. Client-side.

Tailwind Class Generator

Generate Tailwind CSS classes from visual settings: spacing, colors, typography, flexbox, borders and shadows, with responsive prefix. Copy with one click. Client-side.

tailwindcssutilitydesign

mermaiddiagramarchitecturedesign

Architecture Diagram Generator

Generate Mermaid diagrams for software architectures, CI/CD flows and authentication from a visual form: flowchart, sequence, class, ER and state machine. Presets included. Client-side.