Design
Convert RGB color values to HEX format for web design
rgb-to-hex-converterDesign
Convert RGB color values to HSL for screen display
rgb-to-hsl-converterDesign
Convert RGB color values to HSV/HSB for color manipulation
rgb-to-hsv-converterDesign
Convert XYZ color values to HSV/HSB for color manipulation
xyz-to-hsv-converterText Processing
Remove zero-width and invisible characters from text
zero-width-removerCompression
Convert ZIP archive to GZ format (requires 7zip command)
zip-to-gz-converterCompression
Preview contents of ZIP archive without extraction
zip-previewCompression
Extract a single file from ZIP archive by exact path
zip-selective-extractCompression
Convert ZIP archive to 7Z format (requires 7zip command)
zip-to-7z-converterCompression
Convert ZIP archive to TAR format (pure JavaScript, no external dependencies)
zip-to-tar-converterEducation
Simulate Wright–Fisher genetic drift across many replicate populations with mutation and selection. Visualize drift trajectories, the final-frequency distribution, heterozygosity decay Hₜ = H₀(1−1/2Nₑ)ᵗ, and run a Hardy–Weinberg chi-square test.
wright-fisher-population-drift-and-allele-frequency-tutorFormat Conversion
Convert pasted WireGuard or OpenVPN client text into Mihomo/Clash YAML or sing-box JSON with secret-field diagnostics; do not share private keys
wireguard-openvpn-to-clash-singbox-bridge