
MailerLite
Moda
Customer.io
Selzy
MailChimp
Stripo
Easymailing
Helping marketers build interactive emails and get better conversions from email marketing

10015.io
Bitty Coder
CodeSwissKnife
ToolKitKE
devtoolz.dev
Code Beautify JSON Validator
FreeFormatter
Free online tools: JSON formatter, password generator, QR code maker, calculators, converters and more. Fast, private, no login — everything runs in your browser.

Which is more popular?
Based on our record, Mailmodo seems to be more popular. It has been mentioned 2 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | mailmodo.com | codekithub.com |
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| Platforms | ||
| Company | 2020 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


At Mailmodo, we are building the future of marketing and transactional emails. With Mailmodo, businesses will be able to add web-like interactivity like forms, survey, calendar, likes, comments, etc. right inside emails to their users. This will help them to engage their users better and achieve...
No description of CodeKitHub yet.
What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
No analysis of CodeKitHub yet.
Walkthroughs and reviews on video.
Using AMP mails by Mailmodo
More videos
No CodeKitHub videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Mailmodo and CodeKitHub.
CodeKitHub's answer:
CodeKitHub's answer:
Compared to single-purpose sites like JSONFormatter.org or CodeBeautify that only handle one task, CodeKitHub covers the same ground plus image, PDF, QR, and calculator tools in one place — useful if you regularly switch between different tool types during a workday.
Unlike FreeFormatter (which recently shut down its service), CodeKitHub's tools require no backend at all — everything runs as static, client-side JavaScript, so there's no server cost pressure driving ads, paywalls, or future shutdowns of the kind that killed similar sites.
If you need a tool site in a language other than English — Spanish, French, German, Japanese, Korean, Chinese, and others — CodeKitHub is one of the few free tool sites that actually localizes the full interface rather than just running it through machine translation on top of an English-only tool.
CodeKitHub's answer:
CodeKitHub serves two overlapping groups:
Traffic data shows both groups in practice: technical tools (QR generator/decoder, Base64 encoder, JSON tools) draw developer-heavy referral sources like Hacker News and ChatGPT, alongside broader organic search traffic for everyday utility tasks.
CodeKitHub's answer:
CodeKitHub started as a small set of browser-based developer utilities and grew into a 120+ tool collection covering JSON formatting, encoding, image/PDF processing, calculators and more. The core principle from the start was that every tool should run entirely client-side — no backend, no data leaving the user's browser — which keeps the tools fast, private, and cheap enough to run without ads getting in the way. The site has since expanded to 13 languages to serve users beyond English-speaking markets.
CodeKitHub's answer:
Share your experience with using Mailmodo and CodeKitHub. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Like most other ESPs, Mailmodo enables you to create, automate, and send marketing emails. Unlike most other platforms however, Mailmodo uses Google’s Accelerated Mobile Pages (AMP) technology that allows your emails...
We have no reviews of CodeKitHub yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Yeah, the ability to do this is ~3 years old, so there are few no-code tools, and it's expensive to do in house. None of the no-code tools that do exist are verticalized around eCommerce. Check out mailmodo.com for an example of a... Source: over 3 years ago
Mailmodo helps marketers create app-like experiences in email by adding forms, shopping cart, calendar, NPS and more widgets within the email without any coding. Our interactive emails reduce the number of steps for users, thereby... Source: over 4 years ago
Tracking CodeKitHub since Jul 2026.
When comparing Mailmodo and CodeKitHub, you can also consider the following products.

Affordable Email Marketing Software. Get all features (Segmentation, Automation, A/B testing) for up to 1,000 subscribers & send unlimited emails for free!
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10015.io is an all-in-one toolbox offering many tools from various categories.
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Run Marketing Automation & do cross-channel Attribution from a single platform. Channels available to create automation - Email, SMS, forms, and Whatsapp. Also, analyze & attribute your paid channels like Facebook, Instagram, Google Ads & Tiktok.
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Fast developer tools that process your input locally in your browser. No account required.
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We make it easy to send emails triggered by user behavior. Build, measure and improve your emails to activate and retain users
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Feature-packed developer toolkit. Includes text conversion, encoding, UUID generation, cryptography, color conversion, JSON/XML formatting, and more for simplified, efficient development tasks without online data transmission.
Compare CodeSwissKnife to Mailmodo or CodeKitHub: