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SelfDevkit

50+ essential tools in a single desktop app. Offline and private.

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JSON Tools

  • Format, beautify, customize the view of JSON data

  • Minify JSON for production

  • Validate JSON structure

  • Convert JSON to other formats

File Generator

Generate test files for development and testing. Create PDF, CSV, PNG, JPG, TXT and more with customizable content and sizes.

HTML tools & Markdown editor

  • Format and minify HTML code

  • Validate HTML structure

  • Edit Markdown with live preview

  • Convert Markdown to HTML

JWT Tools

Decode, verify, and create JSON Web Tokens. Debug JWT payloads and signatures with detailed information.

Secret Generators

  • Generate secure API keys

  • Create key pairs for encryption

  • Generate random secrets

  • Customize secret formats

ID Generate & Analyze

Generate and analyze various ID formats. Create UUIDs, GUIDs, and custom IDs, plus decode and extract information from existing IDs.

Regex Validator

Test and validate regular expressions with real-time feedback. Debug and optimize regex patterns with detailed explanations.

Text Inspector & Lorem Ipsum Generator

  • Count characters and words

  • Analyze text content

  • Generate Lorem Ipsum text

  • Customize placeholder content

URL Parser & DNS Lookup

Parse and analyze URLs with detailed component breakdown. Perform DNS lookups and check domain records for comprehensive information.

Utility Tools - Time & Date & Cronjob

  • Convert Unix timestamps

  • Format dates and times

  • Create cron expressions

  • Validate cron schedules

Settings - Dark & Light Mode

  • Toggle between dark and light themes

  • Customize sidebar and tools

  • Save settings and preferences

Publisher

javidabd
  • Launch Date

    2025-05-15
  • Category

    Development
  • Pricing

    Freemium
  • Socials

  • For Sale

    No