- Cryptocurrency
- By Cubex Team
Top 5 Best Bitcoin Accelerators in 2025
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 5 Best Bitcoin Accelerators in 2025 that can help you get your BTC transactions confirmed faster:
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
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.