High-Performance Developer Utilities
Zero server uploads. No accounts or logins required. Every tool executes completely in your local browser memory for maximum speed and absolute privacy.
All-in-One PDF Suite
Merge PDF documents, compress file sizes, convert JPG & PNG images to PDF, split pages, and rotate sheets. All operations execute strictly within local browser memory using WebAssembly.
- ✓Merge Multi-Page PDFs
- ✓Compress Document Size
- ✓Image to PDF Converter
- ✓Split & Extract Pages
Precision Unit Converter
Instant conversion across 12 scientific measurement dimensions: Length, Mass, Temperature, Area, Volume, Speed, Time, Digital Storage, Pressure, Energy, Power, and Angle.
- ✓High-Precision Arithmetic
- ✓Scientific Dimensions
- ✓Instant Reciprocal Calc
- ✓No Lag Fast Input
Public IP & Geolocation Inspector
Inspect public IPv4 & IPv6 addresses, Autonomous System Number (ASN), ISP organization, city/region coordinates, connection latency, and live DNS propagation records.
- ✓IPv4 / IPv6 Autodetect
- ✓ISP & ASN Classification
- ✓Geo Coordinates & Region
- ✓DNS Records Inspector
Clinical BMI & Caloric Planner
Calculate Body Mass Index (BMI), Basal Metabolic Rate (BMR via Mifflin-St Jeor), Total Daily Energy Expenditure (TDEE), and daily macronutrient recommendations with visual gauge charts.
- ✓WHO BMI Stratification
- ✓Mifflin-St Jeor BMR Engine
- ✓TDEE Activity Multipliers
- ✓Interactive Metric & Imperial
Live Real-Time Currency Converter
Real-time foreign exchange converter powered by European Central Bank reference rates across 30+ major world currencies with instant offline fallback.
- ✓30+ Global Currencies
- ✓ECB Reference Rates
- ✓Offline Fallback Engine
- ✓Instant Swapping
Zero-Knowledge Client-Side Architecture
Unlike online file converters that upload your confidential documents and data to remote cloud servers, Livecodo uses HTML5 File API and WebAssembly to process everything directly inside your browser sandbox. Your data never leaves your device.