Debug and transform data
Format, validate, compare, or convert structured data.
55 working tools. Free to use.
Free Online IT Tools
for Developers and Sysadmins.
Developers and sysadmins can format JSON, troubleshoot DNS, inspect security data, convert files, optimize images, and manage time with 55 free tools. Most need no account, and local tools keep inputs in your browser.
🛡️
Clear Processing
Most tool inputs stay in your browser; server-assisted lookups are identified.
⚡
Instant & Free
No loading spinners, no paywalls, no accounts required for most tools.
🔍
Review Standards
Published guides include clear authorship, dates, practical examples, and a correction path.
🔒
Secure by Default
HTTPS everywhere, CSRF protection, rate limiting, and clear data policies.
Start with the IT job you need to finish.
Pick a workflow below to open the right utility without scanning the full catalog. Browser-based tools process input locally; network lookups are server-assisted and clearly labelled. Read the tool testing and processing methodology before using sensitive work data.
Diagnose a domain or network
Check records, addresses, ownership, and subnet ranges.
Check credentials and tokens
Generate safer credentials and inspect authentication data.
Prepare web images
Resize, compress, convert, or package image assets.
Work with text and code
Test patterns, compare changes, encode values, and preview Markdown.
Plan and automate time
Convert timestamps, compare dates, and build schedules.
Work smarter with our
free tools
Whether you're debugging an API response, converting a timestamp, checking a domain's DNS, or generating a secure password, it.you has a tool that works without required signup. See how the platform works, read why it.you was built, or check the live service status before starting a workflow.
-
Most tool inputs are processed locally in your browser
-
Practical guides written for real-world IT scenarios
-
Save favourite tools with an optional account
-
Current tools and learning paths cost $0
it.you / tools / json-formatter
{
"user": "admin",
"status": true,
"roles": [
"sysadmin",
"developer"
],
"quota": 500
}
Valid JSON
Runs in browser ✓
55
Working Tools
available in the directory now
3
Learning Paths
hands-on, ordered workflows
8
Categories
from dev tools to security
$0
Current Cost
no card needed
Tools built for every IT need,
organized so you can find them fast.
Developer Tools
JSON, encoding, formatting, validation, and code utilities for developers.…
15 tools
Networking & Sysadmin
DNS, IP, WHOIS, ports, HTTP status codes, subnet, and cron utilities.…
7 tools
Start with a tool that
solves a concrete task.
JSON Formatter & Beautifier
Format, prettify, and validate JSON instantly in your browser.
Runs in browserEpoch / Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and back.
Runs in browserLocal processing where possible
Encoding, hashing, formatting, and many text tools run in your browser, so their input is not transmitted to our server.
No dark patterns. No paywalls. No gotchas.
Every tool is genuinely free. The features page is honest about what requires an account. Pricing is a single word: free.
A visible editorial process
Our editorial policy explains how drafts are reviewed, how corrections work, and what an article's update date means.
The fastest way to solve
an IT problem, right now.
No setup. No signup required. No 14-day free trial that requires a credit card. Just working tools and useful information.
100%
of tools free to use
0
required signups for most tools
8
tool categories covered
How a learning path works
Start with a realistic task and a clear outcome
Open the right working tool at each step
Use safe practice data and concrete examples
Check the result before moving to the next step
Keep progress locally in your browser
Turn individual tools into
repeatable IT workflows
you can practice.
Follow ordered exercises for JSON debugging, credential security, DNS troubleshooting, incident runbooks, web images, and time automation.
Start a learning pathCreate a free account.
Get more from every tool.
Tools work without an account. But an account unlocks a few useful extras — at zero cost.
⭐
Save Favorite Tools
Pin the tools you use every day so you find them instantly.
👤
Profile Controls
Manage your display name, short bio, and account preferences.
📥
Support Inbox
Get replies to your feedback and questions in your dashboard.
Find the guides, explanations,
and checklists you actually need.
How to Trace a JSON Parse Error to the Exact Character
Read the parser’s offset, preserve the original text, and inspect a small window around it; then convert the index using the parser’s own character-counting.
Developer Tools · 6 min readDNS Troubleshooting Order: Resolver Cache to Authoritative Server
Troubleshoot DNS in order: capture the failing answer, inspect the client cache, compare recursive resolvers, trace delegation, then query each authoritative.
Networking · 7 min readGet started today.
There's nothing to install. No credit card required.
The current tool catalog and learning paths cost $0. No payment card required.
No account required for most tools. Sign up only to save favourites, edit a profile, or use the support inbox.