CyberChef
DevToys
AppErgo
CipherKit.app
CryptoTools.tech
CapyToolkit
10015.io
Web app and framework offering modular conversion, encoding and encryption

SmallDevTools
DevToys
CyberChef
CodeSwissKnife
DevToys for Mac
iLovePDF
RegExr
30 free developer and SEO tools that run in your browser

Which is more popular?
Based on our record, Cryptii seems to be more popular. It has been mentioned 1 time since March 2021.
Website, pricing, platforms and company facts side by side.
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C
Cryptii
|
|
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|---|---|---|
| Website | cryptii.com | devtoolcore.com |
| Pricing | — | |
| Platforms | — | |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of Cryptii yet.
DevToolCore is a collection of 30 free browser-based tools for developers and SEO practitioners. The JSON tools format, validate, and minify payloads. The PDF tools compress documents to exact size limits for upload portals and count words without uploading the file. Image tools hit exact KB...
What each product offers, as listed by its team.

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

As answered by people managing Cryptii and DevToolCore.
DevToolCore's answer:
Thirty utilities in one place, all running locally in the browser, with no accounts anywhere.
DevToolCore's answer:
One bookmark replaces a dozen single-purpose sites, and nothing you paste into it gets uploaded.
DevToolCore's answer:
Developers and SEO practitioners who need quick utility work without installing anything.
DevToolCore's answer:
A Java backend serving a static client. Every tool's logic runs client-side in JavaScript.
DevToolCore's answer:
It grew out of small recurring needs, cleaning up JSON or hitting a portal's PDF size cap, and a preference for tools that keep files in the browser.
Share your experience with using Cryptii and DevToolCore. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

Cryptii.com rounds out our top 5 with its versatile encode and decode platform that handles Base64 alongside numerous other encoding schemes. - Source: dev.to / about 1 year ago
Tracking DevToolCore since Aug 2026.
When comparing Cryptii and DevToolCore, you can also consider the following products.


Handy developer tools with a delightful interface
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A collection of converters, formaters, encoders, generators and other tools for your Windows desktop.
Compare DevToys to Cryptii or DevToolCore:

200+ free browser tools, most under 40 KB. Lightweight, private and easy to use, with no signup, no intrusive ads and no server-side processing.
Compare AppErgo to Cryptii or DevToolCore:

100% client-side developer cryptography and utility suite.
Compare CipherKit.app to Cryptii or DevToolCore:
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 Cryptii or DevToolCore: