Well its not a mine stricly tool but i use it a lot and spread the word to use it why ??? to speed up bitcoin transaction!! Of course!! And is Free!!!
Follow this link
HOW TO USE:
Its more simlpy to do than to explain… just add your Transaction ID, fill the captcha code and press SUBMIT.
You can submit any TXID that includes a minimum fee of 0.0001BTC/KB.
IF all slot to transaction acceleration are used, you can try starting next hour XX:00…