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Currencies, crypto, metals, units and files, in one place.
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Files never leave your device. All conversions happen right in your browser.
Sourced Rates
Currency rates refreshed hourly, crypto every few minutes, unit factors from NIST and the BIPM. How we check accuracy
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About Convertz
Convertz is a comprehensive online conversion platform that handles all your conversion needs in one place. Whether you need to convert currencies, track cryptocurrency prices, check precious metals values, calculate physical units, or convert file formats, our free tools provide instant, accurate results with complete privacy.
Currency & Crypto
Convert between 150+ world currencies at mid-market rates from Open Exchange Rates, refreshed hourly, with European Central Bank reference rates as a fallback. Check prices for the top 100 cryptocurrencies, including Bitcoin, Ethereum and Solana, from CoinGecko market data refreshed every few minutes.
Metals & Units
Value gold, silver, platinum, palladium, copper and aluminum by weight at current market prices, with indicative benchmarks for 13 other metals. Convert units across 26 categories, from length and temperature to cooking measures and medical lab results, using exact NIST and BIPM factors.
Frequently Asked Questions
Is Convertz free to use?
Yes. Every tool is free with no registration, usage limits or premium tier.
Where do the rates come from?
Currency rates come from Open Exchange Rates, refreshed hourly, with European Central Bank reference rates as a fallback. Crypto prices come from CoinGecko and are refreshed every few minutes. Gold, silver, platinum and palladium use Gold-API.com spot prices, and copper and aluminum use CME futures. Unit conversions use the exact definitions published by NIST and the BIPM. The About page explains how accuracy is checked.
Are my files uploaded when I convert them?
No. File conversions run entirely in your browser using WebAssembly, so your files never leave your device. The only downloads are the page and, when first needed, the conversion engine.
Which file formats are supported?
Images: JPG, PNG, WebP, GIF, BMP, ICO, HEIC, TIFF and PSD in; JPG, PNG, WebP, GIF, BMP and ICO out. Video: MP4, WebM, MKV, AVI, MOV and FLV in; MP4, WebM, AVI, GIF and MP3 out. Audio: MP3, WAV, OGG, AAC, FLAC and M4A in; MP3, WAV, OGG and AAC out.
Does Convertz work on phones?
Yes, in any modern mobile browser with no app to install. Large video conversions are slower on phones and may run out of memory.