Kostenlose Online-Entwicklerwerkzeuge
Nutze kostenlose Online-Werkzeuge für Formatierung, Validierung, Umwandlung und technische Prüfung direkt im Web.
Alle Entwicklerwerkzeuge
XML-Formatter
XML-Dokumente formatieren und verschönern
YAML-zu-JSON-Konverter
YAML-Daten in JSON-Format umwandeln
JSON-Formatierer
Formatiere, minifiziere und prüfe JSON mit Fehlerhinweisen zu Zeile und Spalte.
SQL-Formatter
SQL-Abfragen formatieren und lesbarer machen
JavaScript-Obfuscator
JS-Code verschleiern, um Logik zu schützen
Regex-Tester
Reguläre Ausdrücke testen und debuggen
JWT-Decoder
JWT-Tokens dekodieren und prüfen
Crontab-Generator
Cron-Ausdrücke visuell erzeugen
JSON-zu-CSV-Konverter
JSON-Arrays in CSV-Format umwandeln
HTML-Entity-Encoder
Zeichen in HTML-Entities umwandeln
Ansicht für PHP-Serialisierungsdaten
PHP-/WordPress-serialisierte Daten dekodieren
Epoch-Konverter
Zwischen Unix-Zeitstempeln und Datumsangaben umrechnen
GraphQL-Prettifier
GraphQL-Abfragen für bessere Lesbarkeit formatieren
Universeller Markdown-Konverter
Markdown privat im Browser in HTML, PDF und DOCX umwandeln
Clientseitiger Log-Analysator
Große Log-Dateien lokal öffnen, JSON-Logs prüfen und wiederkehrende Probleme ohne Uploads analysieren
Static-Site-Playground
Eine mehrteilige Node.js-Static-Site-Sandbox im Browser mit Terminal-Ausgabe und Live-Vorschau ausführen
Browserbasierter Datei-Verschlüsseler
Dateien im Browser mit AES-256 verschlüsseln und später mit demselben Passwort wieder entsperren
Offline-First Pomodoro- und Daten-Tracker
Einen privaten Pomodoro-Timer mit lokalem Verlauf, Tagesstatistiken und offline-first Browser-Speicherung ausführen
Clientseitig CSV zu SQL
CSV-Dateien lokal im Browser in SQL-Skripte und SQLite umwandeln
CSV-Bereiniger
Bereinige CSV-Tabellen, trimme Zellen, entferne leere Zeilen und wechsle Trennzeichen.
Excel-CSV-Konverter
Wandle Excel-Arbeitsmappen und CSV-Dateien lokal um und prüfe sie in der Tabellenvorschau.
Überblick
Developer workflows often require quick transformations: formatting JSON, validating regex, decoding tokens, or building cron expressions. This catalog provides a reliable toolbox for debugging, data conversion, and configuration tasks without leaving your browser. Everything runs client-side to protect proprietary code and data.
Developer tasks pile up quickly
Small formatting and validation tasks interrupt deep work and can slow engineering teams. Jumping between IDE plugins and external services introduces friction and inconsistency.
Data interchange formats like JSON, YAML, XML, and CSV often require conversion and cleanup. A dedicated toolkit simplifies this process and reduces errors.
Security is also critical. Decoding tokens or obfuscating code should happen locally to avoid leaking sensitive information.
Katalogübersicht
Formatting and prettifying
Keep data and code readable with standardized formatting.
- Beautify XML and SQL
- Format GraphQL queries
- Clean up JSON for reviews
Data conversion and extraction
Translate between formats for integration and analysis.
- Convert YAML to JSON
- Transform JSON to CSV
- Decode HTML entities safely
Debugging and validation
Test regex, decode tokens, and parse serialized data.
- Validate regex patterns
- Decode JWT payloads
- Inspect PHP serialized strings
Automation helpers
Support scheduling, timestamps, and code protection workflows.
- Generate cron expressions
- Convert epoch timestamps
- Obfuscate JavaScript snippets
So nutzt du diese Tools
- 1
Select the developer task
Choose formatting, conversion, validation, or automation tools.
- 2
Paste your data or code
Work directly in the tool to avoid data leaks.
- 3
Adjust parameters
Set indentation, delimiters, or validation patterns.
- 4
Review and verify output
Check that the transformed data still matches expectations.
- 5
Copy the result
Export the output back into your project or pipeline.
- 6
Document changes
Note any transformations for team visibility.
Anwendungsfälle
API debugging
Format JSON responses and inspect tokens quickly.
Data migrations
Convert YAML to JSON or JSON to CSV for ETL steps.
Regex development
Test complex patterns against sample strings.
Cron scheduling
Build schedules without manual cron syntax errors.
Legacy system support
Decode PHP serialized data for migrations.
Security hygiene
Obfuscate snippets or inspect JWT headers locally.
Professionelle Anwendungen
Backend engineering
Validate payloads and translate formats in pipelines.
DevOps
Generate cron schedules and analyze timestamps.
Security engineering
Inspect tokens and obfuscate exposed code.
Data engineering
Convert and clean structured data.
QA automation
Validate outputs and compare structured data.
Bewährte Methoden
- Validate outputs before pushing them to production.
- Avoid placing secrets in any tooling, even client-side.
- Use consistent formatting rules across your team.
- Document conversions in commit messages or PR notes.
- Test cron schedules in a staging environment first.
- Use JSON or YAML schemas when available to validate structure.
- Remember that obfuscation is not encryption.
Häufige Fragen
Is my code uploaded to servers?
No. All processing is client-side.
Can I use these tools for large files?
Yes, but performance depends on your device and file size.
Are these tools safe for production secrets?
They do not transmit data, but you should still avoid exposing secrets unnecessarily.
Is JavaScript obfuscation a security feature?
Obfuscation adds friction but is not a substitute for real security controls.
Do formatters change semantics?
They only adjust formatting, not logic.
Can I trust the conversions?
Conversions use deterministic parsing rules based on standard formats.
Do the tools support modern syntax?
They support common, modern versións of each format.
Can I export results?
Yes. Copy results directly into your codebase or data files.