developer Tools

9 tools available in this category.

Diff Checker

Compare two texts side-by-side to find differences, additions, and deletions.

config.ts
1const status = "pending";
2const maxRetries = 5;
No Changes

DNS Lookup

Check worldwide DNS propagation for any domain name.

google.com
142.250.x.x

JWT Decoder

Decode and visualize the content of JWT (JSON Web Token) tokens. Essential tool for developers working with authentication and APIs.

JWT TOKEN
eyJhbGci.eyJzdWIi.SflKxwRJ
Encoded Token
Header:
"alg": "HS256",
  "typ": "JWT"
// Payload
{
  "sub": "1234567890",
  "name": "John Doe",
  "iat": 1516239022
Signature: ✓

Hash Calculator

Generate cryptographic hashes (MD5, SHA-1, SHA-256, SHA-512) for any text. Essential tool for integrity verification and security.

Input TextHello World
SHA-256 Hash
a591a6d40bf4...
...204e5603ec2
SHA-256

UUID Generator v4

Generate version 4 Universally Unique Identifiers (UUIDs) in bulk quickly and securely. Ideal for databases, API keys, and object identification.

v4 GENERATOR
Wait...---

JSON Formatter & Validator

Format, validate, and minify your JSON code. Free tool for developers to organize messy JSON data.

RAW DATA

{"id":101,"status":"success","data":{"user":"admin"}}

{

"id": 101,

"status": "success",

"data": {

"user": "admin"

}

}

Base64 Encoder & Decoder

Convert text to Base64 and vice-versa instantly. Secure tool for encoding sensitive data or binary files.

TextDailyTools
Base64RGFpbHlUb29scw==

Regex Builder & Tester

Build and test regular expressions with ready-made templates for Email, URL, and more.

input: "Validar CPF brasileiro"

output: /^\d{3}\.\d{3}\.\d{3}\-\d{2}$/

Color Converter

Convert colors between HEX, RGB, HSL, HSV, and CMYK formats. Essential tool for designers and front-end developers.

COLOR
#3B82F6
dailyTools - Free Online Developer Tools & Utilities