- Cryptocurrency
- By Cubex
If you’ve ever been stuck waiting for your Bitcoin transaction to confirm, you know how frustrating it can be. Network congestion, low fees, and mempool overloads can delay confirmations for hours or even days. That’s where Bitcoin accelerators come in.
Bitcoin accelerators are services that speed up the confirmation time of your Bitcoin transactions, often by rebroadcasting them with higher fees or prioritizing them through partnerships with mining pools.
Here are the Top 10 Best Bitcoin Accelerators in 2025 that can help you get your BTC transactions confirmed faster:
Key Takeaways
- Bitcoin accelerators help reduce confirmation time by rebroadcasting or prioritizing your transaction in mining pools.
- Always verify that your transaction supports RBF or CPFP before using third-party accelerators.
- Use free tools like BitAccelerate for light congestion and paid ones like ConfirmTX or Fujn BTC for guaranteed results.
What Is a Bitcoin Accelerator?
A Bitcoin accelerator is a service that can be used to confirm unverified transactions faster by either:
- Rebroadcasting your transaction with a higher fee (Replace-by-Fee or CPFP methods), or
- Pushing it directly through mining pool connections to prioritize it for the next block.
Accelerators are mostly useful when your transaction was sent with low fees, which causes it to get stuck in the mempool (the waiting area for unconfirmed transactions).
Understanding Bitcoin Mempool Congestion
The mempool is where pending transactions wait to be added to the blockchain. When the network is busy and this usually happens during price spikes or high trading volumes and this pool becomes congested.
Miners usually pick transactions with higher fees first, so if yours has a lower one, it stays behind. Bitcoin accelerators help you cut through the congestion, ensuring your transaction confirms faster.
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Top 10 Best Bitcoin Accelerators
1. ViaBTC Transaction Accelerator
Best for: Free and paid acceleration options
Overview:
ViaBTC remains one of the most reliable Bitcoin accelerators in 2025. It offers both a free and a paid version. The free version is limited to a few transactions per hour, while the paid option guarantees fast confirmation by pushing your transaction to its mining pool.
Key Features:
- Free option available
- Paid option for guaranteed speed
- Supports BTC and BCH
- Easy to use
2. BTC.com Transaction Accelerator
Best for: Users needing fast confirmation from a top mining pool
Overview:
BTC.com is backed by one of the largest mining pools in the world. Their transaction accelerator is known for effectiveness and reliability, particularly for users who want rapid inclusion in the next block.
Key Features:
- Backed by Antpool and BTC.com pool
- Simple UI for quick acceleration
- Supports high-priority acceleration
3. Mempool.Space Accelerator
Best for: Tracking and speeding up stuck transactions
Overview:
Mempool.Space isn’t just a block explorer, it also provides real-time mempool analysis and allows users to increase transaction fees via Replace-by-Fee (RBF) or Child Pays for Parent (CPFP) methods, making it great for advanced users.
Key Features:
- Real-time mempool visualization
- Supports RBF & CPFP
- Ideal for advanced users
- No login required
- Real-time mempool visualization
4. ConfirmTX
Best for: Paid transaction acceleration with a simple interface
Overview:
ConfirmTX offers a paid Bitcoin accelerator that rebroadcasts your transaction with higher fees to a network of miners. While not free, it’s praised for its success rate and ease of use.
Key Features:
- Paid acceleration
- High success rate
- No registration needed
- Works for most unconfirmed BTC transactions
- Paid acceleration
5. Bitcoin Afterburner (by Samourai Wallet)
Best for: Mobile users & privacy advocates
Overview:
Afterburner is an in-wallet accelerator tool by Samourai Wallet, allowing users to accelerate transactions directly from their mobile device using CPFP. It’s especially useful for privacy-focused users who want to stay in control.
Key Features:
- Mobile app integration
- CPFP-powered acceleration
- Maintains user privacy
- Ideal for stuck mobile transactions
- Mobile app integration
6. BitAccelerate
Best for: Free rebroadcast acceleration
Overview:
BitAccelerate offers a free Bitcoin transaction accelerator that rebroadcasts your transaction across multiple nodes, improves the visibility and also confirmation speed. Although it doesn’t guarantee instant confirmation, it’s effective for mild congestion.
Key Features:
- 100% free
- No account required
- Rebroadcasts across global nodes
7. Fujn BTC Accelerator
Best for: Quick processing and high success rate
Overview:
Fujn BTC is one of the best entrants with a very impressive performance. It partners with miners to prioritize stuck transactions and offers both manual and automatic acceleration options.
Key Features:
- User-friendly dashboard
- free and paid plans available
- Works efficiently during high congestion
8. 360BTC Accelerator
Best for: Multi-chain support and ease of use
Overview:
360BTC Accelerator provides Bitcoin and altcoin acceleration under one roof that automatically detects your transaction and pushes it through its connected miners for faster confirmation.
Key Features:
- Supports BTC, ETH, and USDT
- Automated acceleration
- Beginner-friendly
9. BitTools Accelerator
Best for: Bulk transaction acceleration
Overview:
BitTools allows users to accelerate multiple transactions at once and it is perfect for businesses and frequent traders. Its strong miner network ensures consistency and speed.
Key Features:
- Batch acceleration
- High miner connectivity
- Email updates on status
10. CoinEx BTC Accelerator
Best for: Exchange-backed acceleration
Overview:
CoinEx BTC helps users speed up stuck Bitcoin transactions by rebroadcasting them through its mining and exchange network. It offers both free and paid options for faster confirmation, making it ideal for traders who want reliability from a trusted platform.
Key Features:
- Backed by CoinEx mining network
- Simple process, just enter TXID
- Works well for stuck BTC transactions
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Comparison Table:Top 10 Best Bitcoin Accelerators in 2025
Accelerator | Free Option | Mining Pool Support | Ease of Use | Best For |
ViaBTC | Yes | Yes | ⭐⭐⭐⭐ | Free & paid users |
BTC.com | Yes | Yes | ⭐⭐⭐⭐ | Fast confirmation |
Mempool.Space | No | Yes | ⭐⭐⭐ | Advanced users |
ConfirmTX | No | Yes | ⭐⭐⭐⭐ | Guaranteed speed |
Bitcoin Afterburner | No | Yes | ⭐⭐⭐⭐ | Mobile & privacy |
BitAccelerate | Yes | Yes | ⭐⭐⭐ | Basic users |
Fujn BTC | Yes | Yes | ⭐⭐⭐⭐ | Quick delivery |
360BTC | Yes | No | ⭐⭐⭐⭐ | Multi-chain support |
BitTools | Yes | Yes | ⭐⭐⭐⭐ | Businesses |
CoinEx | No | Yes | ⭐⭐⭐⭐ | Global users |
Conclusions
With Bitcoin transaction fees and congestion still fluctuating in 2025, having a reliable transaction accelerator can save you time, stress, and money. Whether you’re looking for a free solution or willing to pay for instant confirmation, the tools above are your best options.
Pro Tip: Always check if your transaction supports Replace-by-Fee (RBF) or can use CPFP for acceleration. These features can make speeding up transactions even easier without needing a third-party service.