Yoda is widely considered to be the greatest Jedi of all time, and with good reason. He is a master of the Force, a skilled warrior, and has an unmatched wisdom that comes from centuries of experience. He is the embodiment of what it means to be a Jedi, and his legacy lives on long after his death.
The very first Jedi in Star Wars canon is a nameless figure known as the Prime Jedi. He was likely the builder of the first Jedi Temple on Ahch-To, seen in The Last Jedi. According to the Star Wars: The Last Jedi: The Visual Dictionary, the mosaic of stones in the chamber of the Temple depicts the Prime Jedi.
Strongest Jedi? No, but top two certainly. Yoda and Mace stand at the top. Yoda was stronger in the use of the Force itself, but Mace had his own utilities that he could use to his advantage.
Anakin, for sure. He was twice as powerful as Luke was at his age as he was trained properly in the use of the Force and in lightsaber combat.
One of the main reasons why Yoda would've won against Anakin is simply because he was far better trained than him. Yoda could see the moves his opponents were going to make before they made them; therefore, battling against Anakin would've put him at a far heavier advantage.
Aside from agility and telekinesis, Yoda could absorb and redirect Force attacks, like lightning. Because of his higher understanding, he would easily overcome Darth Vader in a fight, though that doesn't mean it wouldn't be a difficult battle.
Biography. Legend had it that Yoda—a Jedi who became Grand Master—was trained by N'Kata Del Gormo.
This isn't to say that Mace Windu isn't powerful when it comes to the force. He's on par with Darth Maul and is more powerful than Qui-Gon Jinn. But, Obi-Wan is still the stronger Force user which makes him a powerful combatant.
That said, both Yoda and Yaddle have a high midi-chlorian count in their blood. Yoda's m-count was roughly 18000, while Yaddle's was closer to 12000. It is reasonable to assume that whatever species they are a part of, it is a deeply Force-sensitive one.
Plo Koon. Wise and compassionate, Plo Koon was one of the most effective Jedi masters, genuinely caring about the clones he commanded.
According to Star Wars Legends content, the first Sith was a former Jedi Master, Ajunta Pall, who became a so-called Dark Jedi, or “Fallen” Jedi. As the name implies, these Force-sensitives chose to practice the Dark Side, and rejected the Light Side of the Force.
In the final days of the Clone Wars, Windu turned to Kolar again, calling on him, Saesee Tiin and Kit Fisto to arrest Supreme Chancellor Palpatine. Confronted by the Jedi, Palpatine threw off his guise and revealed himself as Darth Sidious. He ignited his crimson-bladed lightsaber and struck down Kolar.
Master Yoda has risen above all others to claim the top spot as the most powerful Jedi of all time and the true chosen one according to IGN's audience. He won pretty handily as well, as he was victorious in 89,756 of his 95,243 battles and had a win percentage of 94.2%.
1 Darth Sidious
There has been no Sith, as powerful, meticulous, nor as evil as the Emperor himself, Darth Sidious. As previously mentioned, Sidious trained in the Dark Side by Darth Plagueis before Sidious killed Plagueis in his sleep, making Sidious a Sith Master.
Yoda. Is there anyone who would question why Master Yoda makes this greatest Jedi in the Star Wars list? Not only did he live the longest, survived Order 66, and understood The Force in ways that very few did, but he was also responsible for training some of the greatest Jedi in existence.
While Obi-Wan Kenobi was frail by the time of Star Wars: A New Hope, he was still stronger with the Force than Darth Vader.
During his final duel with Grievous, Kenobi lost the lightsaber but eventually reclaimed it when it was given back to him by Clone Commander CC-2224 "Cody." He would also use this lightsaber to duel his fallen apprentice Darth Vader on Mustafar and would continue to wield the weapon during his exile on the planet ...
Mace windu clear winner 9/10 times. His use of vapad would make the fight play out similair to windu vs palpatine. He would use the seething rage pouring out of maul against him, and as mauls force power was so much weaker than windu's it would be an undisputed win for windu.
Yoda. Yoda was a wise, experienced, and powerful Grand Master of the Jedi of an unknown species and the oldest known prophet in existence (having lived at least 900 years), considered the wisest and most powerful Jedi Master within the Star Wars universe.
Though he saw Anakin's potential, Yoda could not ignore the danger inherent in Anakin's unrestrained emotional attachments. To teach Anakin responsibility, Yoda assigned Skywalker a Padawan learner: Ahsoka Tano. Yoda knew there would come a time when Anakin had to let go of Ahsoka.
Yoda held the title of Grand Master of the Jedi Order since the days of the High Republic Era. At some point, Yoda took on a human named Kantam Sy as his Padawan.
In Star Wars Legends and Canon, Galen Marek (Starkiller) is the only Jedi (other than Obi-Wan Kenobi) to put a beat down on Darth Vader/Anakin Skywalker. Galen was secretly trained as a Sith Lord apprentice to Vader, but returned to the light side and the Jedi.
More cunning and devious than all but the most attuned Force-sensitive beings, Darth Bane could more than likely defeat Yoda in a battle of both strength and wit.
Adam Warlock is a being of immense power. He has superhuman strength and agility, can manipulate energy beyond comprehension, and has a healing ability that would mean much of Vader's physical attacks would be unsuccessful. This fight would be over pretty quickly, and Warlock would be the victor, no question.