
SmallDevTools
DevToys
CyberChef
CodeSwissKnife
DevToys for Mac
iLovePDF
RegExr
30 free developer and SEO tools that run in your browser
CyberChef
DevToys
AppErgo
CipherKit.app
CryptoTools.tech
CapyToolkit
10015.io
Web app and framework offering modular conversion, encoding and encryption

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.
|
|
C
Cryptii
|
|
|---|---|---|
| Website | devtoolcore.com | cryptii.com |
| Pricing | — | |
| Platforms | — | |
| Listed in |
In their own words, as submitted to SaaSHub.

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...
No description of Cryptii yet.
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 DevToolCore yet.
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.

As answered by people managing DevToolCore and Cryptii.
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 DevToolCore and Cryptii. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

Tracking DevToolCore since Aug 2026.
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
When comparing DevToolCore and Cryptii, you can also consider the following products.

Handy developer tools with a delightful interface
Compare SmallDevTools to DevToolCore or Cryptii:


A collection of converters, formaters, encoders, generators and other tools for your Windows desktop.
Compare DevToys to DevToolCore or Cryptii:

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 DevToolCore or Cryptii:
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 DevToolCore or Cryptii:

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