Entwicklertools

Schnell, kostenlos und datenschutzfreundlich. Jedes Tool läuft 100% in Ihrem Browser – keine Daten verlassen jemals Ihr Gerät.

⚡ Sofort🔒 Privat🆓 Kostenlos

Kodieren / Dekodieren

Formatierer

Generatoren

Konverter

Unix-Zeitstempel-Konverter
Zwischen Unix-Zeitstempeln und lesbaren Daten konvertieren
Farbkonverter
Farben zwischen HEX, RGB, HSL und HSB konvertieren
YAML ↔ JSON
Sofort zwischen YAML- und JSON-Formaten konvertieren
Zahlenbasis-Konverter
Zahlen zwischen Binär, Oktal, Dezimal und Hexadezimal konvertieren
JSON → TypeScript / Zod
JSON in TypeScript-Interfaces oder Zod-Validierungsschemas konvertieren
TOML-Editor / Konverter
TOML parsen, validieren und in JSON, YAML oder umgekehrt konvertieren
Compose → K8s Konverter
Docker-Compose-Dateien in Kubernetes Deployments, Services und ConfigMaps konvertieren
JSON ↔ CSV Konverter
Zwischen JSON-Arrays und CSV mit verschachtelter Objekt-Abflachung konvertieren
SQL ↔ MongoDB Übersetzer
SQL-Abfragen in MongoDB und umgekehrt mit Syntaxhervorhebung übersetzen
Terraform-/HCL-Formatierer
Terraform-HCL-Code mit Diff-Vorschau formatieren und validieren
Bild → Base64 Konverter
Bilder in Base64 Data-URIs konvertieren oder Base64-Strings zurück in Bilder dekodieren
curl → Code Konverter
curl-Befehle in JavaScript fetch, Axios, Python requests, Go, PHP und Ruby konvertieren
HTML ↔ Markdown Konverter
Sofort zwischen HTML und Markdown mit Live-Vorschau konvertieren
Text zu Binär
Text in Binärdarstellung umwandeln und zurück
NATO-Phonetisches Alphabet
Text ins NATO-phonetische Alphabet umwandeln (Alpha, Bravo, Charlie...)
Römische Zahlen Konverter
Zwischen Dezimalzahlen und römischen Zahlen umrechnen
Temperaturrechner
Zwischen Celsius, Fahrenheit und Kelvin umrechnen
HTML to JSX
Convert HTML to React JSX — class to className, style strings to objects, SVG attributes
JSON to JSONL
Convert JSON arrays to JSON Lines format and back
Byte-Konverter
Zwischen Bytes, KB, MB, GB, TB, PB mit dezimalen und binären Einheiten umrechnen
XML ↔ JSON Converter
Convert between XML and JSON formats with attribute handling

Textwerkzeuge

Kryptografie

KI-Tools

Datenschutz & Compliance

SEO-Tools

CSS-Tools

Entwicklertools

.env-Editor
.env-Dateien parsen, bearbeiten, vergleichen und exportieren mit Duplikaterkennung
CSV-Viewer & Editor
CSV-Daten parsen, bearbeiten, sortieren, filtern und als JSON, TSV oder Markdown exportieren
Semver-Rechner
Semver-Bereiche testen, Versionen vergleichen und Versionsbereich-Syntax erkunden
Git-Befehls-Builder
Interaktiver Git-Befehls-Konstruktor mit 40+ Operationen und Erklärungen
.gitignore-Generator
.gitignore-Dateien für jede Sprache, jedes Framework oder IDE generieren
README-Generator
Professionelle README.md-Dateien mit Badges, Abschnitten und Vorlagen erstellen
GitHub-Actions-Validator
GitHub-Actions-Workflow-YAML mit Fehlererkennung und Best Practices validieren
Dockerfile-Linter
Dockerfiles auf Best Practices, Sicherheitsprobleme und Optimierungstipps prüfen
OpenAPI-Validator
OpenAPI/Swagger-Specs mit Endpoint-Karten und Schema-Browser validieren und visualisieren
Changelog-Generator
Changelogs aus Git-Commits im Conventional-Commit-Format generieren
package.json-Analysator
package.json auf Probleme, Typosquatting-Risiken und Abhängigkeits-Einblicke analysieren
JSON-Schema-Generator & Validator
JSON-Schema aus Daten ableiten oder JSON gegen ein Schema mit detaillierten Fehlerberichten validieren
IP-/CIDR-Rechner
Netzwerkadresse, Broadcast, Subnetzmaske, Wildcard und nutzbaren Host-Bereich berechnen
chmod-Rechner
Interaktiver Unix-Dateiberechtigungs-Rechner mit Oktal- und symbolischer Notation
Code-Playground
Browserbasierter HTML-, CSS- & JavaScript-Editor mit Live-Vorschau und Konsole
E-Mail-Normalisierer
E-Mail-Adressen normalisieren — Punkte, Plus-Tags und Anbieter-Eigenheiten entfernen
Chronometer
Stoppuhr mit Rundenzeiten, Zwischenzeiten und Millisekunden-Präzision
IPv6 ULA Generator
Zufällige IPv6 Unique Local Addresses generieren (fd00::/8)
IPv4 Bereich zu CIDR
IP-Bereiche in CIDR-Notation umrechnen und Gesamt-IPs berechnen
ETA-Rechner
Geschätzte Restzeit für langwierige Aufgaben berechnen
Docker Run zu Compose
Docker-run-Befehle in docker-compose.yml umwandeln
User-Agent-Parser
Browser User-Agent-Strings analysieren und parsen
JSONPath Tester
Test JSONPath expressions against JSON data with result highlighting
MIME Type Lookup
Search MIME types by extension or type name — 200+ types
Bitwise Calculator
Calculate AND, OR, XOR, NOT, and shifts with visual bit representation
E-Mail-Vorschau
HTML-E-Mail-Vorlagen mit Desktop-/Mobil-Ansicht und Dunkelmodus anzeigen
Prozess-Scheduler
CPU-Scheduling-Algorithmen visualisieren: FCFS, SJF, SRTF, Round Robin, Priorität
Memory Address Converter
Convert memory addresses between hex, decimal, and binary with pointer arithmetic
HTTP Header Inspector
Parse and analyze raw HTTP headers with descriptions
CRC Calculator
Calculate CRC-8, CRC-16, and CRC-32 checksums with multiple presets
IBAN-Validator
IBAN-Nummern mit Mod-97-Prüfsummenverifikation und Ländererkennung validieren
Keycode-Info
JavaScript-Tastenereignisse inspizieren — event.key, event.code, keyCode und Modifier
Mathematischer Ausdrucksrechner
Mathematische Ausdrücke mit sqrt, trigonometrischen und Log-Funktionen sicher auswerten — ohne eval()
MIME-Type-Referenz
Gängige MIME-Types nach Dateierweiterung oder Kategorie durchsuchen
Prozentrechner
Prozentsätze, Prozent einer Zahl und prozentuale Änderung berechnen
Telefonnummern-Parser
Telefonnummern mit Ländererkennung und E.164-Ausgabe parsen und formatieren

Web3-Werkzeuge

📖 Guides & Cheat Sheets

View all →
🌿
Git Commands
Complete Git command reference cheat sheet — from basics to advanced workflows, including branching, stashing, rebasing, and tagging. Searchable, with examples.
📝
Vim Commands
Complete Vim/Vi command reference cheat sheet — modes, motions, editing, search and replace, macros, registers, marks, and window management.
🐳
Docker Commands
Complete Docker & Docker Compose command reference cheat sheet — containers, images, volumes, networks, registry auth, buildx multi-platform builds, & cleanup.
🔤
Regex Reference
Complete regular expression reference cheat sheet — character classes, anchors, quantifiers, groups, lookaheads, flags, and JavaScript string methods.
🐧
Linux Commands
Complete Linux/Bash command reference cheat sheet — file management, text processing, networking, system admin, and shell scripting.
☸️
Kubernetes Commands
Complete Kubernetes & kubectl command reference cheat sheet — pods, deployments, services, secrets, namespaces, scaling, RBAC, networking, and Helm charts.
🐍
Python Reference
Complete Python reference — syntax, data structures, string methods, control flow, classes, error handling, file I/O, comprehensions, and built-ins.
🗃️
SQL Reference
Complete SQL reference cheat sheet — queries, joins, aggregation, subqueries, indexes, window functions, string and date functions, and database management.
🌐
Nginx Reference
Complete Nginx configuration reference — server blocks, locations, proxying, SSL, load balancing, caching, security headers, and rate limiting.
🔐
SSH Commands
Complete SSH reference — connections, key management, tunneling, config, SCP/SFTP, agent forwarding, security hardening, and troubleshooting.
👷
Jenkins Reference
Complete Jenkins reference — pipeline syntax, Jenkinsfile, plugins, CLI, agents, shared libraries, credentials, and CI/CD patterns.
📨
HTTP Headers Reference
Complete HTTP headers reference — request headers, response headers, caching, security, CORS, and content negotiation. Searchable, with examples.
🐘
PostgreSQL Reference
Comprehensive PostgreSQL reference — from connection basics to advanced features like JSONB, full-text search, window functions, and performance tuning.
⚡
Async Patterns Reference
Multi-language async/concurrency patterns — JavaScript, Python, Go, Rust, Java, plus retry, rate limiting, and circuit breaker patterns.
📡
Protobuf & gRPC Reference
Comprehensive reference for Protocol Buffers (proto3) and gRPC — message definitions, services, streaming, and common patterns.
📚
JS Array Methods
Complete JavaScript Array methods reference — creating, searching, transforming, sorting, iterating, and common patterns. Searchable, with examples.
🌊
Tailwind CSS Reference
Complete Tailwind CSS reference — layout, spacing, typography, colors, responsive design, states, and common patterns. Searchable, with examples.
◈
GraphQL Reference
Complete GraphQL reference — schema definition, types, queries, mutations, directives, fragments, and common patterns. Searchable, with examples.
💻
VS Code Shortcuts
Complete VS Code keyboard shortcuts cheat sheet — editing, navigation, search, multi-cursor, terminal, debug, and more. Searchable, with Cmd/Ctrl notation.
🔲
CSS Grid Reference
Complete CSS Grid reference — container properties, item placement, grid functions, and common layout patterns. Searchable, with examples.
📦
CSS Flexbox Reference
Complete CSS Flexbox reference — container properties, item properties, and common layout patterns. Searchable, with examples.
⚛️
React Hooks Reference
Complete React Hooks reference — useState, useEffect, useContext, custom hooks, and common patterns. Searchable, with examples.
🔷
TypeScript Reference
Complete TypeScript reference — types, interfaces, generics, utility types, and advanced patterns. Searchable, with examples.
☁️
AWS CLI Reference
Complete AWS CLI reference — EC2, S3, IAM, Lambda, ECS, RDS, CloudFormation, CloudWatch, SQS/SNS, Route 53, and common operations.
🐹
Go Reference
Complete Go (Golang) reference — syntax, types, structs, interfaces, goroutines, channels, error handling, testing, and the standard library.
💠
PowerShell Reference
Complete PowerShell reference — cmdlets, pipelines, scripting, file operations, remote management, and Active Directory.
💾
Redis Commands
Complete Redis command reference — strings, hashes, lists, sets, sorted sets, pub/sub, transactions, and server management.
🏗️
Terraform Commands
Complete Terraform reference — init, plan, apply, state management, modules, workspaces, providers, backend configuration, and HCL syntax.
⚙️
Ansible Commands
Complete Ansible reference — playbooks, modules, inventory, roles, vault, Galaxy, handlers, conditionals, loops, and ad-hoc commands.
🪶
Apache
Complete Apache HTTP Server cheat sheet — virtual hosts, modules, rewrite rules, and SSL, plus access control, logging, and performance.
🔧
Awk
Powerful text processing language for pattern scanning, data extraction, arrays, control flow, and report generation with built-in variables.
🔤
ASCII Table
Complete ASCII character reference with decimal, hexadecimal, and character values, plus control codes and common escape sequences.
💻
Bash
Complete Bash reference cheat sheet — variables, strings, arrays, conditionals, loops, functions, file tests, I/O redirection, process management, and more.
⚙️
C
Complete C programming cheat sheet covering syntax, pointers, memory management, structs, file I/O, preprocessor, and standard library.
🔐
Chmod
Linux file permission commands and patterns for chmod, covering numeric and symbolic modes, recursive changes, and SUID/SGID/sticky bits.
🔧
Chrome DevTools
Essential Chrome DevTools shortcuts, commands, and workflows for web developers — covering Network, Performance, and Application panels.
🔷
C++
Complete C++ cheat sheet covering STL containers, OOP, templates, smart pointers, iterators, lambda expressions, and modern C++ features.
⏰
Cron
Cron scheduling reference covering syntax, special strings, field values, crontab management, environment variables, and logging.
🎨
CSS
Complete CSS reference cheat sheet — selectors, box model, positioning, typography, animations, media queries, custom properties, and more.
🌐
Curl
Curl command-line reference for HTTP requests, headers, authentication, cookies, proxies, file transfers, SSL/TLS, debugging, and API patterns.
🎯
Dart
Dart language cheat sheet covering syntax, types, OOP, null safety, and async patterns, plus collections, error handling, and classes.
🐳
Docker Compose
Docker Compose reference covering CLI commands, service configuration, networking, volumes, health checks, profiles, and build options.
💧
Drizzle ORM
Complete Drizzle ORM reference for schema definition, column types, queries, filters, joins, relations, migrations, indexes, and patterns.
⚡
Emmet
Quick reference for Emmet abbreviations for lightning-fast HTML and CSS coding, covering nesting, multiplication, numbering, and grouping.
🔥
Firebase
Firebase reference covering Authentication, Firestore, Realtime Database, Cloud Functions, Hosting, Storage, and security rules.
🤖
GitHub Actions
Complete GitHub Actions cheat sheet — workflows, triggers, jobs, and CI/CD patterns, plus matrix strategies, caching, and artifacts.
🔎
Grep
Search text using patterns. Filter lines from files, command output, or streams with regular expressions, context options, and file filtering.
📄
HTML
Complete HTML reference — document structure, text content, links, forms, tables, media, semantic elements, meta tags, attributes, and accessibility.
🔍
Find
Search for files and directories in a directory hierarchy with powerful filtering by name, size, time, permissions, type, and actions.
📡
HTTP Status Codes
Complete reference of all standard HTTP response status codes across 1xx-5xx classes, with descriptions, examples, and common usage patterns.
☕
Java
Complete Java reference — data types, strings, collections, OOP, interfaces, exceptions, file I/O, streams, lambdas, and more.
🟨
JavaScript
Complete JavaScript reference — variables, types, operators, strings, arrays, objects, functions, async, DOM, ES6+, and more.
💲
jQuery
Quick reference for jQuery selectors, DOM manipulation, events, AJAX, and more, including animation effects, traversing, and plugins.
📐
LaTeX
Quick reference for LaTeX document structure, math mode, formatting, and common packages, plus figures, tables, and citation styles.
📝
Markdown
Complete Markdown syntax reference for headings, formatting, links, tables, code blocks, task lists, footnotes, and extensions.
🍃
MongoDB
MongoDB reference covering CRUD operations, aggregation, indexes, and administration, plus replica sets, users, roles, and query operators.
🐬
MySQL
Complete MySQL cheat sheet covering queries, joins, indexes, transactions, data types, user permissions, and database administration.
▲
Next.js
Next.js App Router reference covering routing, data fetching, server components, API routes, middleware, and deployment configuration.
🔺
Laravel
Laravel PHP framework cheat sheet for routing, Eloquent, Blade, Artisan, and more, plus middleware, validation, and authentication.
🟩
Node.js
Comprehensive Node.js runtime reference covering modules, file system, HTTP, streams, events, child processes, and npm scripts.
📦
npm
Complete npm cheat sheet — package management, scripts, publishing, and configuration, plus workspaces, security audits, and npx.
🔢
NumPy
Essential NumPy commands for array manipulation and numerical computing in Python, covering reshaping, broadcasting, and linear algebra.
🐼
Pandas
Pandas cheat sheet for data manipulation, analysis, and transformation in Python, covering DataFrames, grouping, merging, and date/time.
🐘
PHP
Complete PHP cheat sheet covering syntax, OOP, arrays, PDO, and modern PHP 8.x features, plus file I/O, superglobals, and error handling.
🔄
PM2
Production process manager for Node.js applications with cluster mode, monitoring, log management, startup scripts, and zero-downtime reloads.
💎
Prisma
Complete Prisma ORM cheat sheet — schema, queries, migrations, and CLI, plus relations, aggregations, filtering, and seeding patterns.
🦀
Rust
Comprehensive Rust language cheat sheet covering ownership, traits, pattern matching, structs, enums, error handling, closures, and concurrency.
💅
Sass
Complete Sass/SCSS cheat sheet covering variables, mixins, functions, nesting, extends, maps, and the modern module system.
📺
Screen
GNU Screen terminal multiplexer for persistent sessions, window and split-region management, key bindings, copy mode, and remote work.
✂️
Sed
Stream editor for filtering and transforming text, line by line — substitution, address ranges, hold space, branching, and flags.
⚡
Supabase
Complete Supabase cheat sheet — auth, database, realtime, storage, and edge functions, plus row level security and migrations.
🖥️
Tmux
Terminal multiplexer cheat sheet for managing multiple sessions, windows, and panes from a single terminal, with copy mode and status bar configuration.
📦
TOML
Quick reference for TOML configuration file syntax, types, tables, and common patterns, including arrays of tables and inline tables.
▲
Vercel CLI
Complete Vercel CLI reference for deployment, project management, domains, environment variables, secrets, logs, edge functions, and configuration.
⚡
Vite
Next-generation frontend build tool with instant HMR, native ES modules, plugins, environment variables, library mode, and Rollup-based builds.
📦
Webpack
Module bundler for JavaScript applications — entry/output config, loaders, plugins, code splitting, module resolution, and optimization.
🎯
XPath
Quick reference for XPath expressions, axes, predicates, string functions, node tests, and operators for XML/HTML querying.
📋
YAML
YAML syntax reference covering scalars, collections, anchors, aliases, multi-line strings, nested structures, and common patterns.