SwapSpace
SimpleSwap.io
CoinEx
changelly
ChangeNOW
Mushino
sIFR
Bybit
CryptoTools.tech
CoinCodex
CyberChef
calculator.net
CoinStats
Bitculator
Coinbase
CoinMarketCap
CryptoTools โ https://cryptotools.tech โ A growing suite of 30+ free, single-purpose crypto & finance tools. Three families: calculators (Bitcoin DCA backtest, profit/P&L + tax, mining, portfolio/tax CSV, staking, leverage, liquidation, position size, impermanent lossโฆ), converters (gweiโETH + gas fee, satoshiโUSD, hashrate), and a privacy-first cryptography toolkit that runs 100% in your browser โ nothing is ever uploaded (SHA-256/keccak hashing, AES, RSA & key generators, BIP39 seed phrases, HD wallet addresses, JWT decoder, plus EVM/ENS/EIP-712 dev tools and more). Plus interactive Bitcoin data studies (DCA backtests, "what if you missed the best days", a monthly-returns heatmap). No sign-up, no tracking, no paywalls; pure static site with sub-second loads; works in 10 languages; every tool is embeddable. For traders, builders, and the privacy-conscious who want a fast answer without a bloated SaaS dashboard.
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CryptoTools.tech's answer:
CryptoTools.tech's answer:
CryptoTools.tech is a single, fast home for 30+ free crypto & finance tools โ calculators, converters, and a full cryptography toolkit โ with no sign-up, no tracking, and no paywalls. What sets it apart: every cryptography tool (hashing, AES, RSA, BIP39 seed phrases, HD wallets, JWT decoding, EVM/ENS dev utilities) runs 100% in your browser โ your keys and data never touch a server. It uniquely covers both meanings of "crypto" โ cryptocurrency calculators and cryptography utilities โ under one roof, in 10 languages, with every tool embeddable.
CryptoTools.tech's answer:
Most crypto tool sites make you sign up, bury the tool under ads and pop-ups, or send your input to a server. CryptoTools is the opposite: privacy-first (client-side cryptography โ nothing is uploaded), instant (static pages, sub-second loads, clean UI), and completely free with no account. You also get both worlds in one place โ finance calculators (profit/P&L, DCA backtests, mining, tax) and developer/cryptography utilities โ across 10 languages, with the formulas shown so you can trust the math. If you value speed, privacy, and not being upsold, it's the cleaner choice.
CryptoTools.tech's answer:
Three overlapping groups: (1) crypto traders & investors who need quick, reliable calculators (profit, DCA, position sizing, liquidation, tax estimates); (2) developers & web3 builders who need cryptography and Ethereum utilities (hashing, AES/RSA, BIP39, JWT, EVM bytecode, ENS namehash, EIP-712); and (3) privacy- and security-conscious users who want tools that run locally and never upload their data. It's global and multilingual, skewing toward technically literate, self-serve users who want an answer without a bloated dashboard.
CryptoTools.tech's answer:
It started from a simple frustration: every "crypto calculator" wanted a sign-up, was slow and ad-choked, or quietly sent your data to a server. So CryptoTools was built as the tool site I wished existed โ fast, free, private, no account โ and grew into a broad cluster spanning both cryptocurrency calculators and cryptography utilities. It's an independent, bootstrapped project with a simple principle: do one thing well per page, and respect the user's time and privacy.
CryptoTools.tech's answer:
Built with Astro (static-site generator, ships zero JS by default) and Preact "islands" for interactivity โ so pages are pure static HTML/CSS/JS with sub-second loads and green Core Web Vitals. Cryptography runs in-browser via audited libraries (@noble/hashes, @noble/curves, @scure/bip39/bip32) and the Web Crypto API. Served by Caddy (automatic HTTPS, HTTP/2+3) on Docker, with a thin optional backend only for live/historical price data. Fully internationalized into 10 languages.
I often use SwapSpace, where registration can be avoided. I would like to draw your attention to the support of this platform. They will quickly and clearly explain and help. Good job.
I like the interface of the site, it is very usable. It provides the correct information for my account. I exchanged for the first time on this platform and am very surprised how the support works. They answered accurately and quickly. Well done!
Based on our record, SwapSpace seems to be more popular. It has been mentiond 23 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
You can find these big gainers and other 1850+ coins on swapspace.co ๐. Source: almost 3 years ago
Which one is your favorite? Don't forget that you can swap any of them on SwapSpace ๐. Source: almost 3 years ago
Here is the alternative. First, you'll probably want a cold storage wallet. With it you can keep your VET, BNB and FLOKI....and USDC safely off exchanges. The legal work around is as follows - Only use your US broker for changing fiat into USDC and visa versa. Once you have a cold wallet and a US broker that can change fiat to crypto (coinbase is the cheapest if you want USDC over the matic network (not... Source: about 3 years ago
Now, what I typically do with this is withdraw directly to an instant swap service (like changelly/fixedfloat) and I use swapspace.co to determine which service has the best price. I want to swap the remaining $100 ETH --> BTC. [Why do I do this? In a nutshell, it saves on fees. MEXC has 0% maker/taker and reasonable withdrawal fees....but most instant services are like 0.05% and aren't great if you are doing... Source: about 3 years ago
I used SwapSpace to both buy & sell IOTA in the past 2 days. No KYC. Everything went as expected. I first tested a small ($20) transaction. As should you, before the whole stack. Source: about 3 years ago
SimpleSwap.io - SimpleSwap is an instant cryptocurrency exchange without sign-up and upper-limits.
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CoinEx - CoinEx is a global and professional digital coin exchange service provider.
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changelly - Exchange alternative cryptocurrencies.
calculator.net - Online calculator for quick calculations, along with a large collection of calculators on math, finance, fitness, and more, each with related in-depth information.
