DevSwitch.net
Sign in

Switch through the web dev tools.

Dozens of free web dev tools in one tab. Paste your input and get the result instantly. No signup, no upload, nothing leaves your machine.

No tools match your search.

stdin in.
stdout out. Instantly.

Every web dev tool is the same simple flip: drop in a value on the left, get exactly what you need on the right. No queues, no waiting on a server.

RGB to HEX
input 
rgb(123, 136, 199)
OFF
output ✓ ready 
▌

How the web dev tools work.

Pick a tool

Choose any web dev tool from the grid above. There's no account and no setup. It opens ready to use.

{
  "user": "ada",
  "id": 42
}▌

Add your input

Paste your code, text, or value, or drop in a file. Everything is processed locally in your browser.

output ✓ Copied 
user,id
ada,42

Copy the result

Get the formatted, converted, or generated output instantly and drop it straight back into your project.

About to launch a site with no backend?

A portfolio or freelance website that still needs to receive contact requests? Easy. Host it on GitHub Pages or Cloudflare, add a SendForm contact form, and protect it with PrivCaptcha.

yoursite.com
Your static website
Cloudflare
Pages
GitHub
Pages
Contact forms
Spam-filtered · to your inbox
Bot protection
Private · fully GDPR

The old way, or the devswitch way.

Every visit to an ad-stuffed tool site costs you minutes, a signup, and your data. DevSwitch answers in 0.2 seconds, free and fully private. Flip the switch and see for yourself.

Getting started
Search, pick a site, wait
Open a tab, start typing
Account
Signup / email wall
None. Ever.
Your data
Uploaded to a server
Stays in your browser
Ads & trackers
Everywhere
Zero
The toolset
One tool per tab
Dozens in one place
Price
Freemium / limits
Free, no limits
Time to first result
~2 min (find, load, dismiss ads)
0.2s

No signup · no upload · nothing leaves your browser

FAQ.

Yes. Every web dev tool on DevSwitch is completely free, with no usage limits, no ads-wall, and no trial period. Open a tool and start using it immediately.
No. There is no signup, login, or email required. Pick a tool from the list above and it works right away.
The code, text, and files you paste or open are processed right in your browser and stay on your own device. They aren't uploaded to a server. You can use DevSwitch without worrying about sensitive snippets leaving your machine.
Yes. The web dev tools run in any modern browser, so they work on phones and tablets as well as on desktop.
Beautifying (formatting) re-indents code to make it readable, while minifying strips whitespace and comments to make files as small as possible for production. DevSwitch offers both for JavaScript, CSS, HTML, and JSON.
Whenever you need to move data between formats, for example turning an API's JSON response into a CSV you can open in a spreadsheet, or converting a YAML config into JSON. DevSwitch converts between all of these formats in any direction.
Use the number converter tools above. Type or paste a value in one base and get the equivalent in the others instantly, handy for debugging bitmasks, color values, file permissions, and low-level code.
They describe the same color in different notations: HEX (like #7b88c7) is common in CSS, while RGB (like rgb(123, 136, 199)) is easier to adjust channel by channel. DevSwitch's color tools convert between them and let you pick colors visually.
Base64 turns binary data, such as an image, into plain text so it can be embedded directly in HTML, CSS, or JSON without a separate file. Use the encode tool to inline an image as a data URI, and the decode tool to turn a Base64 string back into a viewable image.
Paste your pattern and some sample text into the RegEx tools to see matches highlighted live as you type. It's the quickest way to debug a tricky pattern before dropping it into your code.
The playground lets you write HTML, CSS, and JavaScript side by side and see the rendered result update instantly, ideal for prototyping a snippet, reproducing a bug, or testing an idea without setting up a project.
Paste both versions into the diff tool to see exactly what was added, removed, or changed, line by line, useful for reviewing edits, config changes, or API responses.