Below is a list of tools you might need for checking a transaction fee or its details. Handy for cutting some TXs cost and troubleshooting crypto transactions (mostly BTC).
- Unconfirmed transaction and fees estimator; shows price per byte and eta for confirmation
https://bitcoinfees.earn.com - Unconfirmed transactions in mem-pool, variation of #1
https://dedi.jochen-hoenicke.de/queue/ - Bitcoin Fee calculator, calculate size and fee estimation
https://coinb.in/#fees - Accelerators – for stuck transactions
ConfirmTX – free below 300bytes, larger $5
ViaBTC’s accelerator – free, 100 txs, starts every hour, FIFO
Coolwave accelerator – forum, register first (bitcoinTalk forum) - Block explorer – review transaction details and info about network
Blockchain.info – info + wallet (BTC)
Blockr.io – BTC/LTC info
Blockexplorer.com – grandpa explorer
Insight.is – API tool for data
Chain.so – multi-currency block explorer
Blocktrail – explorer and wallet
BitcoinChain – explorer and other info