Parse a User-Agent string into browser, version, engine, OS, device type and architecture, and flag search, AI and social bots and HTTP tools
Listing info 80/100
HTTP status code reference with name, class, meaning, whether it is retryable or cacheable by default and related codes, or list a whole class
Listing info 80/100
Encode a latitude and longitude into a geohash at any precision, or decode a geohash into its centre, bounding box, cell size and eight neighbouring cells
Listing info 80/100
NASA POWER daily weather for any point and date range - temperature, rain, solar radiation, wind and humidity with a summary of means, extremes and totals
Listing info 80/100
Black-Scholes-Merton price for European calls and puts with delta, gamma, vega, theta, rho, intrinsic and time value, moneyness and put-call parity check
Listing info 80/100
Sun azimuth and elevation for any place and time, plus sunrise, solar noon, sunset, civil to astronomical twilight, day length and polar day or night
Listing info 80/100
OpenSSF Scorecard for a GitHub repository - overall 0-10 score and every security check (branch protection, signed releases, SAST, pinned deps) with weakest areas
Listing info 80/100
Generate typosquat, lookalike and TLD-swap variants of a domain and report which already resolve in DNS, with IP addresses and whether they accept mail
Listing info 80/100
Solar panel output calculator - annual and monthly kWh for a PV system at any lat/lon from PVGIS, with optimal tilt, specific yield and irradiation
Listing info 80/100
Cheapest chain for a transaction - USD cost of a transfer, token transfer, swap or NFT mint across Ethereum, Base, Arbitrum, Optimism, Polygon, BSC, Avalanche and Linea
Listing info 80/100
Inspect a string by code point - UTF-8 bytes, category, script, normalization changes, and warnings for zero-width, bidi and mixed-script lookalike text
Listing info 80/100
Norway (NO1-NO5) and Sweden (SE1-SE4) hourly electricity spot price today in EUR/MWh and local currency with cheapest and priciest hour
Listing info 80/100
Indexed listings, not certifications. Prices and protocols are publisher declarations. How the index works