Best No Download Casinos for Instant Play in 2021

No download casinos really take the hassle out of online gambling. They are sometimes known as instant play casinos, since gamblers can play from their browser instantly with no need to download a hefty piece of software. But however you prefer to call them, our list of the best no download casino sites will help you to find the ideal instant play casino for you.

Top No Download Casino Sites for UK Players

10 No Deposit Free Spins
  • 100% secure payments
  • Award-winning mobile experience
  • 24/7 customer support
* more terms & conditions apply

Paddy Power
50 No Deposit Free Spins, 50 Extra Free Spins Upon First Deposit
  • Daily jackpots
  • Wide range of games
  • £5 free bet on casino slots every week
* more terms & conditions apply
£50 Welcome Bonus When You Bet £10
  • Superb VIP programme
  • Holds multiple licences
  • Long and trusted history
* more terms & conditions apply

New Casino players only. Deposit required. Bet £10+ on qualifying games. 40x wager reqs (bonus only) on selected games. Accept Bonus within 14 days. Bonus valid for 30 days. Certain deposit types excluded. Player restrictions and T&Cs apply.

Deposit and Make a Bet of £10 and Get a £50 Casino Bonus
  • Casino tournaments
  • Many payment methods
  • Great user experience
* more terms & conditions apply
Mr Green
Deposit £20 - Get Unlimited of Free Spins in 20 Sec
  • Amazing site design
  • Reliable banking methods
  • Exceptional customer experience
* more terms & conditions apply
Deposit and Bet £10 on Selected Games, Get a £50 Welcome Bonus
  • User-friendly website
  • Dedicated FAQ section
  • Reputable, trusted name
* more terms & conditions apply

New customers only. Min spend £10 on qualifying games. Certain deposit types excluded. £50 Bonus on selected games subject to 40x wager req. Must accept within 7 days, valid for 30 days. Player restrictions and T&Cs apply18+.

100% Deposit Match Bonus Up to £/€300
  • Long, trusted reputation
  • New slots regularly
  • Daily jackpot games
* more terms & conditions apply

18+ new customers. Opt in. Wager £10 on selected games within 7 days of registering. Get 2x £20, 3x £10 bonuses, selected games, up to 40x wagering to withdraw max £1,750, 7 days expiry. Click for T&Cs

3 x 50 Megaways Free Spin Bundle
  • Daily Mystery Drops
  • Jackpot slots
  • Slingo
* more terms & conditions apply

New players only. Max 150 spins over 3×50-spin bundles. Min £10 dep & spend for each bundle. Free spins used on selected games only. Spin value £0.10. Wins credited as bonus, 10x wag within 14 days. Payment method restrictions & T&Cs apply.18+.

100% Welcome Bonus up to £20 + 20 Free Spins
  • Jackpot Fun Zone
  • Casino Face-Off
  • Gala Rewards
* more terms & conditions apply

New customers only. Deposit/spend £20, get £50 bonus + 100 Free Spins. 35x Wag on Bonus. 10x Wag on Free Spins winnings. Free Spins valid on selected games. 7 days to claim, 7 days to wager. Payment restrictions & T&Cs apply. Players restrictions and T&Cs apply. 18+.

Get a 100% Match Bonus Up to £100
  • Over 20 years' experience
  • Quick deposits and withdrawals
  • Multiple languages
* more terms & conditions apply

No Download Casinos – The Basics

No download casinos are making the online gambling experience much more enjoyable in 2021. Gone are the days when online casinos would require players to waste their time downloading a large piece of software.

Instant play casinos require no download and can be played using an ordinary web browser, whether you are on a mobile, tablet, laptop or desktop device.

You only need to register an account to start playing immediately at these casinos, with no download and with full access to all your favourite casino features.


Advantages of No Download Casinos

There are many reasons why no download casinos are better than those that require a download. Let's take a look at what they are.

Time and Convenience

The most obvious benefit to no download casinos is that they save us time. There is no need to sit around waiting for a bulky program to complete and install. With instant play casinos, we simply register, log in, deposit and we can play our favourite casino games right away.

Privacy and Security

We all know how important it is to make sure that we are not installing malicious software on our devices. Identity fraud and scams are extremely common today. With instant play casinos, you don't need to worry about accidentally installing software riddled with viruses or other malware.

Additionally, since no download casinos are browser based, you can easily clear your browser history if you don't want people to know that you have been playing at online casinos.

Device Compatibility

With no download casinos, there is no need to worry about downloading the correct piece of software for a Windows machine, or other operating system.

Nor do you need to be concerned about whether or not your chosen gambling apps will run on iOS, Android or Windows Phone. You simply navigate to the website of our favourite instant play casinos in our browser and get started right away.

Hard Drive Space

This is probably less of an issue for personal computers these days, since hard drives are much bigger than they used to be. But mobile devices are still quite easy to fill with apps and software. No download casinos help to save valuable space on your device's internal storage.

What About Disadvantages for No Download Casinos?

The main disadvantage with no download casinos is that players with slower or less reliable internet connections could see their experience suffer.

On a similar note, that additional data transfer could be problematic for people who like to play casino games on the go. If there is a lack of Wi-Fi available for these players, no download casinos could cause their data consumption to rise.


How Do No Download Casinos Work?

If no download casino sites don't require any software to be installed, how do they work? Until recently, instant play casino games would have been produced using one of the following programming languages.


HTML5 is now the most commonly used software to create immersive, engaging games at the best no download casinos. As HTML5 is compatible with any browser on any device, it is an extremely popular choice for no download casinos to use for instant play games.

Delivering superior sound quality as well as graphics, the emergence of HTML5 has really improved the quality of online slots and casino games at mobile casinos in recent years.


JavaScript is not used as commonly as HTML5 by the top gaming software developers, but you will certainly find some casino games built using this language. A major advantage of casino games made with JavaScript is that they run on any device and in any browser.

JavaScript is usually pre-installed on most machines, but it's important to ensure that you keep it updated if your no download casino games are to continue working as expected.

Windows vs Mac

Some people may prefer Microsoft to Apple products, but it really doesn't matter when it comes to no download casino sites. Because instant play casinos are compatible with all devices, the platform of choice is not important. You can even use no download casinos on Linux!


Can I Trust No Download Casinos?

Security on the internet is a hot topic in this day and age. Fraudsters are devising ever more elaborate ways to steal personal data.

So it is understandable that some people may have initial concerns over instant play casino sites. But fear not. There are many reasons why we can trust no download casinos. Let's take a look at some of those reasons:

Casino Licenses

When looking for the best licensed and legal casinos, a vital first step is to check the license. An instant play casino without a license would be a huge red flag, fast tracking it to the blacklist.

Regulatory bodies are what keeps online gambling safe. It is difficult to get a license, since applicants need to pass tests of character, show sufficient funds and the products themselves need to be certified as random, fair and safe to play.

So when you see a no download casino with a license from a reputable authority, such as those found below, you can be sure that you are playing at a safe and secure casino.

Regulatory Body and Description

Site Security and Encryption

Safe and secure casinos will always utilise the latest on-site security, in order to protect their players. SSL (Secure Sockets Layer) is a form of encryption technology that guarantees your personal data will be secured at all times.

SSL technology works by using an algorithm to scramble the data before sending, while the recipient of the information unscrambles it upon receipt. So even if a hacker were to intercept this data, it would be completely meaningless to them and your details would remain safe.

Make sure that your no download play casino also has a straightforward privacy and data protection policy in place too. This ensures that your information will not be passed around to third parties.

Fair and Independently Tested Casino Games

Another key factor when selecting the best no download casinos is to make sure that the games are independently tested. If the casino game relies on a random number generator, has it been certified? What about the other equipment?

There are various independent gaming labs around the world that offer this certification. Some of the most reputable companies include GLI, eCOGRA and the Gaming Associates.


What Are the Best Games to Play at No Download Casinos?

Everyone will have their own personal preferences when it comes to no download casino games. Some people like the fast pace of roulette. Many players enjoy the social aspect of live dealer games. Others prefer to have time alone with their favourite slots. Whatever your prefer, instant play casinos are sure to have the right game for you.

No Download Casino Games

Instant play casino games have come a long way since the first no download casinos came along. Ever more creative online gaming companies and software developers have driven an increase in graphics, sound and innovation in the type of casino games available to play.

The likes of Evolution Gaming, Playtech and Pragmatic Play continue to drive live dealer products forward. Slots developers such as Microgaming, NetEnt, BetSoft and Red Tiger are constantly making fresh, fun new real money games for players to enjoy.

And of course, no deposit casinos are able to offer all of these games to their players, giving them the chance to win real money, while enjoying the best quality casino gaming experience.

No Download Slots

No download slots come in all shapes and sizes. The three main types of instant play slots games are:

Main types of instant play slots games
  • Progressive jackpots: Jackpot slots are best known for building up a large jackpot over a long period of time. The payouts can literally be life changing, often running into millions of pounds, dollars or euros.
  • Free to play: Free slots online are surprisingly common in 2021. New players in particular can benefit from free slots to play for fun, since they can learn new games without risking real money. Free mobile slots exist too, with no download required from instant play casinos.
  • Real money slots: The bulk of players are playing real money slots, as opposed to free slots online. Many players prefer regular slots to progressive jackpots, as you are more likely to win a jackpot.

Live Dealer

Many popular no download casinos offer live dealer casino games and they are continuing to grow in popularity. Since they can be played in your browser at instant play casinos, both on mobile and desktop devices, they are extremely convenient, as well as great fun.

Regardless of whether you prefer to play live dealer roulette, live blackjack or live baccarat, the high definition graphics and top quality sound all help to create an immersive and engaging experience. If you are more of a card player, live dealer poker is always an option too.

Some of these live dealer online casino sites even provide new players with a free bonus, no deposit required. Such online casinos with no download are a terrific way to explore new casino games free of risk.


Bingo continues to be popular in 2021, both online and in good old fashioned bricks and mortar bingo halls. In addition to the more traditional variations of 75, 80 and 90 ball bingo, there are also many innovative new game types. Turbo games such as Shotgun Bingo, or shorter variations such as Cash Cubes, continue to grow in popularity.

All of these can be enjoyed at our recommended online bingo sites.

Scratch Cards

Online scratch cards are just like the type of scratch cards you'd find in the newsagent. The only difference is they are available to play at your favourite no download casinos.

Simply purchase your cards and scratch away to reveal the hidden symbols. The online scratch card experience is made more engaging with the addition of animations and high quality sounds, to heighten the tension of the big reveal.


What to Consider When Playing No Download Slots

When looking for no download casinos that offer instant play slots, you may want to consider two important factors: Volatility and RTP.


The concept of slot volatility and variance concerns how often you might be able to win. High volatility, sometimes referred to as high variance, simply means that results differ greatly from an average game. You may win less often with high volatility slots, but when you do, the payouts are likely to be bigger.

RTP (Return to Player)

It is always advisable to try and find ways to reduce the house edge. Slots with high RTP are a great place to start. They give you the best chance of winning in the long term, since they pay out a greater percentage of the money they take in.


Can You Really Win Money at Instant Play Online Casinos?

Instant play casinos are no different to any other online casino. An operator must undergo stringent testing in order to gain a license. Regulators don’t allow just anyone to set up no download casinos.

All of this means that the best online casino no download sites are perfectly safe and fair places to gamble. You have every chance of winning money and the real question is whether or not your casino strategies are up to the task. And of course, whether you get any help from lady luck!

Free to Play Online Casinos

In 2021, many players are looking for free games online, no download or registration required. Free online casino games are an excellent way to learn rules and sharpen your strategies, without ever having to risk real money.

Another popular wish for many casino players, is to have free slot machine games without downloading or registration. Free play online casino games are not available at every instant play casino site, so be sure to stick to the recommended no download casinos found on this page.


Payment Methods at No Download Casinos

No download casino sites offer players a wide range of different deposit and withdrawal options. Each instant play casino is different, but the more sites at which you play, the more you'll see the same payment options coming up again.

These methods are proven to be trustworthy, safe and secure options, for both players and the casino. They offer extremely low fees, fast processing times and above all, they are reputable.

Whether you prefer an ewallet such as PayPal, traditional cards such as Visa and Mastercard, or a more modern alternative such as cryptocurrency, there will be a suitable option for you at no download casinos.


Instant Play Casino Bonuses

Most online casinos in 2021 offer a wide range of casino bonuses to players old and new. Instant play casino sites are no different. Here's a look at some of the possible bonuses and promotions available at the best no download casino sites:

Welcome Bonuses

Newcomers to instant play casinos are best placed to benefit from bonus offers, since casino welcome bonuses are so competitive. These welcome packages come in several different flavours, as you will see:

Deposit Bonus

The most common casino welcome bonus, a deposit bonus often comes in the form of a percentage match. For instance, the casino might give you 100% of your first deposit up to £100, giving you a total of £200 to play with.

These deposit bonuses usually come with wagering requirements attached. These conditions must first be met before the bonus money turns to real money that can be withdrawn. But not all casinos apply such bonus requirementsno wagering casino sites do exist. Just always carefully read the bonus terms to avoid disappointment.

No Deposit Bonus

A number of instant play casinos these days allow new players to collect a bonus without needing to invest any money of their own first. So if you are looking for an online casino no deposit bonus, no download casinos are a good place to start.

This type of welcome bonus allows new players to win real money at an online casino for free, since they do not have to risk any of their own money before playing. Like with deposit bonuses, make sure that you fully understand the terms and conditions to avoid any frustration.

Free Spins

Lots of no download casinos offer new players free spins on registration, no deposit required. They usually come as part of a welcome package, where players may receive a small number of free spins in addition to a larger bonus.

With free spins, any winnings that you earn as a result are yours to keep, subject to the usual wagering requirements. But not all free spins come with such terms and conditions attached. These no wagering free spins are a great way to learn a new slot game and hone your online slot strategy without risking real money.

Reload Bonus

Reload bonuses are a type of deposit bonus. Some no download casinos will offer an initial deposit bonus, followed by subsequent bonuses in future.

Such offers may be available as a one-off, at certain times of the day or as part of a holiday promotion, or they may be bundled up as part of a welcome bonus. Reload bonuses may also be available to loyal customers as part of a VIP program.

VIP and Loyalty Programs

The online casino market is a crowded one, and operators of instant play casinos need to do whatever they can to attract players. We can benefit from this by signing up to the sites with the best loyalty programs, which will reward us for our casino play.

It doesn't matter whether you are a high roller seeking bigger VIP bonuses, or an average Joe betting small stakes. VIP and loyalty schemes are available for anyone to join and the more you play, the more points you will earn. These points can be converted to bonuses and rewards.


Responsible Gambling at No Download Casinos

When playing at no download casinos, it's important to remember that gambling should be fun. Never play with money that you cannot afford to lose. If your gambling is no longer enjoyable and you feel you may have a problem, there are controls that you can put in place.

Any responsible and fully licensed instant play casinos will offer player limits. You can set your own maximum deposit amounts, loss amounts and place caps on playing time. In addition, if the limits are not helping, you can always choose to self-exclude.

Self-exclusion is anywhere between 6 months and 5 years. It is irreversible, so if you do take this option, the casino will not allow you access to your account.


No Download Casinos Conclusion

You should now be an expert on no download casinos, thanks to our comprehensive guide to the best instant play casinos. Hopefully you have come to understand and appreciate their advantages, such as the time and space they can save, as well as the security benefits.

Is my personal data safe when playing at no download casinos?So whatever you're looking for in a casino – free slots, no download, no registration, instant play – you should now have all the knowledge required to find the right place to play. Good luck!


No Download Casinos FAQs

❓ Is my personal data safe when playing at no download casinos?

Definitely. If anything, no download casinos are even safer. With no download required, there is no risk of accidentally installing malicious software that might allow people to steal your data.

❓ Do no download casinos work on tablet devices?

Absolutely! No download casinos just require a web browser to work. This means they can be played on any tablet, mobile, desktop or laptop device.

❓ Can I win real money at an instant play casino?

Yes! No download casinos for instant play are like any other online casino. They are safe, secure and require a license. They use independently tested games. And if the site offers bonuses – such as free spins with no deposit required – you can even win money without risking any of your own cash first!

❓ What kind of games can I play at no download casinos?

Everything you would expect to find at a casino, either online or bricks and mortar, you can play at a no download casino. You can even find free online casino games at some instant play casinos. This allows you to practice without risking real money.

❓ What is the best instant play casino in the UK?


This is a difficult question to answer, since everyone's opinion will differ. A good place to look for the answer is our list of the best UK casinos. Here you will find a range of safe instant play and no deposit casinos, with a wide range of games to play and generous bonuses.



We collaborate with industry experts to make sure that our readers are getting the best possible content. All our articles are there to improve your casino experience.

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  1. Atiq
    Atiq 10 June, 2020, 20:29

    Your article is very good. You described about casino very important condition.
    I think that any people visit your website , you know many information and trusted casino sites list.

    Reply this comment

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