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v 0.9.0
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Prompt Template Studio & Test Bench
Token Counter
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LLM Structured Outputs & Strict JSON Schema Studio
AI & LLM Multi-Model Pricing Calculator
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Git Command Generator
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DNI, NIF, CIF Generator
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Image Resizer & Compressor
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Fake Data Generator
Mock data
Security
Webhook Signature Playground
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API Key Generator
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Security.txt Generator (RFC 9116)
Permissions-Policy (Feature-Policy) Studio
Email Deliverability & DNS Studio (SPF, DKIM, DMARC)
Dev Tools
JSON Schema Test Case Generator
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OpenRewrite Recipe Builder
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YAML Validator & Formatter
HTML to JSX Converter
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HTML/CSS/JS Playground
Code Screenshot Creator
Bundle Analyzer
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Timestamp Converter
Cron Parser
Cron Builder
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SemVer Calculator
Bundle Estimator
Environment Variable Manager
React Component Profiler
Lighthouse CI Analyzer
Web Worker Sandbox
SVG Vector Optimizer
File Hex Dump & Magic Bytes Inspector
Mermaid Diagram Editor
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Email HTML Tester
VSCode Snippet Generator
Performance Budget Calculator
Polyfill Builder
Log Parser & Analyzer
Dependency Graph Visualizer
Slack Message Builder
Responsive Design Tester
README Generator
Feature Flag & Canary Rollout Studio
Regex Debugger
Cron Timeline Visualizer
Regex Cheat Sheet
Keyboard Event & KeyCode Inspector
JSON Schema to TypeScript Converter
Text Tools
URL & Query Parameter Studio
Base64 & Data URL Studio
Lorem Ipsum
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Markdown Studio & Workspace
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String Slugifier & Case Converter
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Unicode Character Inspector
Morse Code & NATO Phonetic Converter
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Crypto & Hashing
Hash Generator & Verifier
UUID
UUID Generator
Vehicles
License Plate Generator
Machine
IP Address Lookup
System Information
Keyboard Tester
User Agent Parser
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Chmod Calculator
LocalStorage & Cookie Size Auditor
Passport
Passport Generator
Password
Password Generator
Bar Code
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Invoicing
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Network
WebSocket & SSE Mock Stream Simulator
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GraphQL Subscriptions Tester
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OpenAPI Mock Server
cURL to Code
URL Parser
cURL Builder
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Port Scanner
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HTTP Status Codes
Subnet Calculator
DNS / Hosts File Generator
API Documentation Generator
Tech Stack Detector
API Load Tester
SSE Tester
HAR File Analyzer
Postman → cURL/OpenAPI
HTTP Cache Headers Simulator
OpenAPI Explorer
HTTP Request Waterfall
Dead Link Checker
IP Geolocation Lookup
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WHOIS Domain Lookup
MAC Address Lookup
HTTP Header Analyzer
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API Mock Server
HTTP Status Code Decision Matrix
Exponential Backoff & Jitter Simulator
Infrastructure
Nginx Config Generator
Terraform Plan Visualizer
PromQL Query Builder
SEO
Open Graph Preview Inspector
Meta Tags Generator
Robots.txt Generator
Sitemap Validator
Open Graph Generator
Sitemap Generator
RSS Feed Validator
SERP Preview Tool
Productivity
Pomodoro Timer
Email Signature Generator
Time Zone Converter
Request a tool
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Cron Parser
Decode cron expressions into human-readable descriptions.
Sample Schedule
Clear
5-field (Standard UNIX)
Parser & Explainer
Next 10 Runs
Cron Presets
Quick Builder
Cron Expression Input
Copy
Natural Language Schedule
Runs every 15 minutes, from 9 through 17, every day of month, every month, from Mon through Fri
Field-by-Field Token Breakdown
Minute
*/15
every 15 minutes
(0-59)
Hour
9-17
from 9 through 17
(0-23)
Day of Month
*
every day of month
(1-31)
Month
*
every month
(1-12)
Day of Week
1-5
from Mon through Fri
(0-7)
Upcoming 10 Execution Schedule
Timezone:
#
Execution Date & Time (UTC)
ISO 8601
Unix Epoch
1
Monday, October 12, 2026 at 9:00:00 AM
2026-10-12T09:00:00.000Z
1791795600
2
Monday, October 12, 2026 at 9:15:00 AM
2026-10-12T09:15:00.000Z
1791796500
3
Monday, October 12, 2026 at 9:30:00 AM
2026-10-12T09:30:00.000Z
1791797400
4
Monday, October 12, 2026 at 9:45:00 AM
2026-10-12T09:45:00.000Z
1791798300
5
Monday, October 12, 2026 at 10:00:00 AM
2026-10-12T10:00:00.000Z
1791799200
6
Monday, October 12, 2026 at 10:15:00 AM
2026-10-12T10:15:00.000Z
1791800100
7
Monday, October 12, 2026 at 10:30:00 AM
2026-10-12T10:30:00.000Z
1791801000
8
Monday, October 12, 2026 at 10:45:00 AM
2026-10-12T10:45:00.000Z
1791801900
9
Monday, October 12, 2026 at 11:00:00 AM
2026-10-12T11:00:00.000Z
1791802800
10
Monday, October 12, 2026 at 11:15:00 AM
2026-10-12T11:15:00.000Z
1791803700
Frequently Used Cron Schedules
Every 5 Minutes
Frequent
*/5 * * * *
Apply Expression
Every 15 Minutes
Frequent
*/15 * * * *
Apply Expression
Every Hour (at minute 0)
Hourly
0 * * * *
Apply Expression
Every Day at Midnight (00:00)
Daily
0 0 * * *
Apply Expression
Weekdays at 9:00 AM (Mon-Fri)
Workdays
0 9 * * 1-5
Apply Expression
Every Sunday at 2:00 AM
Weekly
0 2 * * 0
Apply Expression
1st of Every Month at 04:00
Monthly
0 4 1 * *
Apply Expression
Quartz: Every 10 Seconds
Quartz (6-Field)
*/10 * * * * *
Apply Expression
Quick Expression Generator
Every 5 Minutes
*/5 * * * *
Every Hour
0 * * * *
Daily at Midnight
0 0 * * *
Weekdays at 9am
0 9 * * 1-5
Weekly on Sunday
0 2 * * 0
1st Day of Every Month
0 0 1 * *