Tools in HTML
14 utilities · single-file · self-contained
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Base64 Encoder/Decoder
Encode text to Base64 or decode Base64 back to text
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Countdown Timer
Set a target date and watch the countdown in real-time
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Text Diff Tool
Compare two texts and highlight the differences
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Duration Calculator
Calculate the duration between two dates or times
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Timestamp Converter
Convert Unix timestamps to local, UTC, ISO 8601, and relative time
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JSON Formatter
Format, minify, and validate JSON data with syntax highlighting
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Format Converter
Convert between JSON, YAML, and TOML formats
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Password Generator
Generate secure random passwords with custom options
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RSA Private Key Parser
Parse and inspect RSA private key details
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X.509 Certificate Parser
Parse and display X.509 certificate information
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Brewfile Analyzer
Analyze Homebrew formulas, versions, and dependencies
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Container Image Analyzer
Inspect Docker/OCI container image layers and metadata
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Kubernetes Resource Analyzer
Analyze Pod, Deployment, StatefulSet, Job specs and best practices
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Calendar
A printable calendar with the full year on a single page