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DOB Calculator

Calculate exact age & next birthday

Loan Calculator

Calculate monthly EMI & interest

Investment Calc

Calculate SIP & Lump Sum growth

Percentage Calc

Calculate %, increase & decrease

GST Calculator

Add or remove GST from amount

AI Writing Tools10

Universal AI Content

Blog, Insta, Email & more in one go

Blog Title Generator

10+ catchy & SEO-friendly titles

Social Media Writer

Captions for Insta, Twitter & LinkedIn

Ad Copy Generator

Facebook, Google & Product ads

Product Description

Ecommerce & Shopify style copy

AI Email Writer

Professional & sales outreach

AI Resume Builder

Create & Download professional resumes

YouTube SEO Tool

Titles, tags & descriptions

AI Paraphraser

Formal, simple or Hinglish

Grammar & Rewrite

Fix grammar & improve tone

All Tools11

JSON Formatter

Format, validate & beautify JSON

Text Analyzer

Word count, readability & stats

JWT Generator

Generate, decode & verify JWTs

Diff Checker

Compare text & code differences

UUID Generator

Generate v1, v4 & v5 UUIDs

Password Generator

Create strong, secure passwords

Random String

Custom random string generator

IP Lookup

Get IP geolocation & ASN info

URL Encoder

Encode special URL characters

URL Decoder

Decode percent-encoded URLs

Email Generator

Generate fake/random emails instantly

Home
DOB Calculator
Loan Calculator
Investment Calc
Percentage Calc
GST Calculator
Universal AI Content
Blog Title Generator
Social Media Writer
Ad Copy Generator
Product Description
AI Email Writer
AI Resume Builder
YouTube SEO Tool
AI Paraphraser
Grammar & Rewrite
JSON Formatter
Text Analyzer
JWT Generator
Diff Checker
UUID Generator
Password Generator
Random String
IP Lookup
URL Encoder
URL Decoder
Email Generator
Typing Test
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Quickly navigate to any of our free tools and utilities. Everything is organized by category to help you find precisely what you need.

Core Tools

JSON Formatter

Format and validate JSON data

Text Analyzer

Analyze text statistics and counts

JWT Generator

Generate and decode JWT tokens

Diff Checker

Compare text and find differences

Web Utilities

IP Lookup

Find geolocation for any IP

URL Encoder

Percent-encode URLs and text

URL Decoder

Decode percent-encoded text

UUID Generator

Generate secure random UUIDs

Password Generator

Generate secure random passwords

Random String

Generate random text strings

Other Tools

Age Calculator

Calculate precise age from DOB

Typing Test

Measure your typing speed and accuracy

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AllInOneDevTools

A growing collection of free, fast developer tools. No sign-up, no tracking, no hassle.

Calculators

  • Age Calculator
  • Loan Calculator
  • Investment Calculator
  • Percentage Calculator
  • GST Calculator

Tools

  • JSON Formatter
  • Text Analyzer
  • JWT Generator
  • Diff Checker
  • IP Lookup
  • URL Encoder
  • URL Decoder

AI Writing

  • AI Resume Builder
  • Universal AI Content
  • Blog Title Generator
  • Social Media Writer
  • Ad Copy Generator
  • AI Email Writer

Info

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