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Tools
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FLV to MP4 Converter
Convert FLV (Flash Video) files to MP4 format online with this free tool. Supports batch conversion and quality settings.
Odds Ratio Calculator
Quickly calculate odds ratios from 2x2 tables with our free online tool, ideal for researchers and analysts needing accurate risk assessment in seconds.
Genshin Damage Calculator
Advanced Genshin Impact damage calculator with DGT analysis (Damage per Second, Gauge Theory, Team Rotation).
Instagram Name Checker
Check Instagram username availability instantly and get suggestions for available names.
ASPX to PDF Converter
Convert ASPX files to PDF format online with a simple upload. Preserve web page layout and formatting in the output PDF.
Photo Viewer
View, zoom, rotate, and manage your photos online with this powerful image viewer tool.
GTIN Validator
Validate GTIN/EAN barcode numbers with check digit verification for all formats including GTIN-8, GTIN-12, GTIN-13, GTIN-14, EAN-8, and EAN-13.
PV Xi Calculator
A comprehensive online tool to estimate photovoltaic system size, energy output, and efficiency, ideal for solar energy planners and homeowners.
JSON Converter Online
Convert JSON data to multiple formats including XML, CSV, YAML, and PHP arrays with our free online JSON converter tool.