
TextBlast Bulk SMS
WATI
Respond.io
LoopMessage
Texted.io
C3 Mailime
DMLY
Send personalised WhatsApp messages in bulk

CodeKitHub
CodeSwissKnife
DeveloperToolBox.tech
DevNestTools
eToolKing
Toolbox-Dev
DevToolbox is a free, no-signup collection of 148 client-side developer tools and 78 guides — a lightweight alternative to installing dozens of separate SaaS dev-tool apps.

Which is more popular?
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | whatsmany.com | devtoolz.dev |
| Pricing | — | |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using WhatsMany and devtoolz.dev. For example, how are they different and which one is better?
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Send personalized mass messages easily
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Free online tools: JSON formatter, password generator, QR code maker, calculators, converters and more. Fast, private, no login — everything runs in your browser.
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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.
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Turn Every Conversation into Business Results
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Free browser-based tools for formatting, encoding, decoding, conversion, generators and everyday software development tasks.
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