FixedFloat review 2026 — Lightning, fixed & float rates on SwapZilla
FixedFloat (since 2018) is a fast non-custodial exchange with Bitcoin Lightning support and both fixed (1%) and floating (0.5%) rates.
What is FixedFloat?
FixedFloat is a fully automatic non-custodial exchange launched in 2018 — the first instant swap platform to support the Bitcoin Lightning Network. It offers 100+ coins with a choice of fixed rate (1% fee, amount locked at order) or floating rate (0.5% fee).
FixedFloat is built for speed. Its fixed-rate mode guarantees the amount you will receive at the moment you create the order, which is ideal for volatile pairs, while Lightning support makes small BTC swaps near-instant. No account or KYC is required.
Key facts at a glance
| Founded | 2018 |
|---|---|
| Supported assets | 100+ coins |
| Custody | Non-custodial |
| Account | None required |
| KYC | None |
| Rate type | Fixed (1%) & floating (0.5%) |
| Extras | Bitcoin Lightning, $1 min |
Pros & cons
Pros
- Bitcoin Lightning Network support — near-instant small BTC swaps
- Fixed-rate mode locks your receive amount
- Fully automatic, no account, no KYC
- Low $1 minimum
- Fast, speed-optimized settlement
Cons
- Narrower coin list (100+) than the largest providers
- Fixed rate costs a higher 1% fee
- Availability of a given pair can vary
How to swap via FixedFloat on SwapZilla
- Open the SwapZilla calculator and choose the coins you want to send and receive.
- Enter the amount. SwapZilla instantly requests live rates from every provider.
- Compare the offers. If FixedFloat has the best rate for your pair, select it.
- Paste your receiving wallet address and a refund address, then confirm.
- Send your coins to the deposit address. FixedFloat processes the swap and pays out to your wallet.
SwapZilla verdict
FixedFloat is the specialist for fast Bitcoin and Lightning swaps and for locking a guaranteed rate on volatile pairs. Fewer coins than the giants, but on the pairs it covers it is one of the quickest options on SwapZilla.
Best when you want a guaranteed receive amount via fixed rate.— SwapZilla editorial
Lightning support makes small BTC swaps stand out for speed.— SwapZilla editorial
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