
Mockaroo
JSON Generator
MockTurtle.net
ExtendsClass's JSON generator allows to generate random JSON data from a template.

100% PerfectOdds
Betfair
Bet Hero Sports
BetMetrics.app
BetMines Football Betting Tips
Bettingsuretips
BettorEdge
Eight free sports betting calculators — parlay, odds converter, hedge, Kelly, expected value, arbitrage and no-vig — connected to a bet slip that tracks your session.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | extendsclass.com | sharpoddsiq.com |
| Pricing | ||
| Company | 2019 | 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


This free online tool allows to generate JSON dataset. You can generate multiple JSON files exported to a zip archive. No limits. No registration.
SharpOddsIQ is a free set of eight sports betting calculators built to work together. Calculate parlay payouts, convert odds between American, decimal and fractional formats, find hedge amounts, size bets with the Kelly Criterion, check expected value, spot arbitrage, and remove the vig to find...
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of ExtendsClass JSON Generator yet.
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing ExtendsClass JSON Generator and SharpOddsIQ.
SharpOddsIQ's answer:
Save any calculation to a bet slip that follows you across every tool and tallies your running profit and loss.
Every calculator accepts American, decimal and fractional odds. Switch the format with a single tap.
Every tool shows the real math behind it with a clear, step-by-step numerical example.
No sign-up, no paywalls, no limits. Fast, accurate tools that work instantly in your browser.
SharpOddsIQ's answer:
It's completely free, does not require any login, and it has a saving function called a bet slip that follows you across every tool and tallies your running profit and loss.
Share your experience with using ExtendsClass JSON Generator and SharpOddsIQ. For example, how are they different and which one is better?
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Create mock and sample JSON using a powerful template syntax
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Join Betfair & bet with the best odds! ✓ More Ways To Bet ✓ More Ways To Win ✓New Customers: Bet £20 on the Exchange and if it loses, we will refund you £20. T&C's Apply.
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Generate realistic random JSON data through a simple and intuitive GUI.
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Real-time value betting and arbitrage scanner across 400+ sportsbooks. Find +EV bets, guaranteed arbitrage, track CLV, and manage your bankroll — all in one platform built for serious sports bettors.
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