Home

Free tools for modern developers

Click any tool to open it instantly — no install, no account, no data sent to servers.

14 tools live
Live
− old line
+ new line
  unchanged

Compare File Content

Compare two text files side by side with real-time highlighting of additions, deletions, and modifications.

Open tool
🌍
Live
🌍 UTC  · 00:00
🇺🇸 NY   · 20:00
🇬🇧 LON  · 01:00
🇮🇳 IST  · 05:30

World Time

WorldTime column timezone viewer. See all your cities in a vertical time grid — home time on the left, every city adds a column.

Open tool
📋
Live
<root>
  <item id="1">
    <name>value</name>
  </item>
</root>

XML Validator

Validate, format, and minify XML documents. Get detailed error messages with line numbers and syntax highlighting.

Open tool
{}
Live
{
  "name": "value",
  "count": 42,
  "active": true
}

JSON Validator

Validate, format, and explore JSON data. Interactive collapsible tree view with detailed error reporting and line numbers.

Open tool
🔢
Live
00000000  4D 5A 90 00
00000004  03 00 00 00
00000008  04 00 00 00

Hex Viewer

Browser-based hex editor. Upload any file to view offset, hex, and ASCII columns. Search hex or ASCII, highlight bytes.

Open tool
🧮
Live
         3.14159
  7 8 9  ×
  4 5 6  −
  1 2 3  +

Calculator

Scientific calculator with history log, keyboard support, expression evaluation, and dark mode.

Open tool
📝
Live
function hello() {
  console.log("hi");
  return true;
}

Notepad IDE

Notepad++ inspired browser editor. Syntax highlighting, multiple tabs, find & replace, line numbers, and file save/open.

Open tool
💰
Live

EMI Calculator

Calculate EMI for home, car, and personal loans with multi-currency support, amortization schedule, and prepayment analysis.

Open tool
Live

EV vs ICE

Compare Total Cost of Ownership for EV, Petrol, Diesel, and CNG cars over any time horizon. Make smarter buying decisions.

Open tool
New

Tasks & Lists

Manage tasks across multiple lists with priorities, tags, status tracking, and due dates — all in the browser.

Open tool
🔔
New

Reminders

Set smart reminders with categories, repeat schedules, snooze, and optional browser push notifications.

Open tool
📅
New

Calendar

A full-featured browser calendar with month, week, and day views. Create events with times, colors, and notes.

Open tool
🗓️
New

Daily Planner

Plan your day hour by hour with time blocking, habit tracking, mood log, top goals, and evening reflection.

Open tool
🧾
beta

Invoicing

Create professional invoices, manage product catalogue, track stock, and print or save invoices — all in the browser.

Open tool
🔎
Soon
C:\Users\...\docs
📄 report.txt 2KB
📄 notes.log  8KB

File Search

Search your local filesystem by filename pattern, content string, and date filters — with a Linux-inspired terminal UI.

Coming soon
🚀
Soon

Launching Soon

Something powerful is being crafted. Stay tuned for the next tool in the sharavana.in suite.

Coming soon
13 free tools — no login required

Everything you need, free

sharavana.in — all your dev tools in one place. Compare files, track world time, search files, validate XML & JSON, view hex, calculate, and code. All free. All private.

13
Free tools
100%
Browser-based
0
Setup needed
0
Data collected
📢
Bottom Ad 728×80 Leaderboard
Google AdSense