PHP Checker vs Online Developer Tool
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
PHP Checker compared with Online Developer Tool
| Detail | 
PHP Checker | OD
Online Developer Tool |
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| What it does | Free tools to check PHP versions and test code compatibility across versions 7.4 to 8.5
| Free browser-based developer utilities for formatting, encoding, decoding and converting data
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| Stage | Not given
| Not given
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| Founded | Not given
| Not given
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| Based in | Not given
| Not given
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| Pricing model | Free
| Free
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| Pricing | Not given
| Not given
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| Key features | - PHP Version Checker to detect website PHP versions via headers and markers
- Multi-version code compatibility checker testing 7.4 to 8.5
- PHP Sandbox running code in your browser with real PHP interpreters
- PHP Syntax Checker identifying parse errors and deprecated functions
- PHP EOL Dates calendar with support status for all versions
- Bcrypt Generator for password hashing
- phpinfo() Analyzer explaining server configuration
- PHP Date Format tester
- PHP Formatter for code formatting
- PHP Regex Tester for preg_match patterns
| - JSON to code generation (C#, TypeScript, Java, Python, Go, PHP, Kotlin)
- JWT decoder and generator with HS256 support
- Base64, URL and HTML encoding and decoding
- UUID generation and validation
- Hash generation (MD5, SHA-256, SHA-512)
- Timestamp conversion (Unix time and dates)
- XML and YAML formatting and conversion
- Regex testing and diff checker
- Website status and reachability checking
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| What makes it different | - All code runs in your browser on WebAssembly, never uploaded to servers
- Completely free with no sign-up required
- Website checker works on any device including school machines without software installation
| - All 54 tools run entirely in your browser with no server uploads or signup required
- Instant processing with no server roundtrips or delays
- Privacy-first architecture with data minimization
- Consolidates 54 tools eliminating the need for multiple websites
- Mobile-friendly responsive design
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| Free plan | Not given
| Not given
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| Open source | Not given
| Not given
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| Platforms | Not given
| Not given
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| Public API | Not given
| Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | 1 ● no change since last check |
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| Trust Flow (Majestic) | 0 | 4 |
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| Citation Flow (Majestic) | 0 | 17 |
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| Referring domains (Majestic) | 0 | 4 |
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4 details filled in for both companies.
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