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Format, encode, generate, decode, convert — no signups, no installs, no servers. Just tools.

Popular Tools

{ }

JSON Formatter & Validator

B64

Base64 Encode/Decode

ID

UUID Generator

#!

Hash Generator

.*

Regex Tester

JWT

JWT Decoder

Latest from the Blog

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Deep Dives11 min read

Developer Burnout Is Real and Nobody Talks About It Honestly

You open your laptop, stare at the code, and feel nothing. Not frustration. Not excitement. Just nothing. Here's what developer burnout actually looks like, and what helps.

Feb 7, 2026
Deep Dives13 min read

Is AI Going to Replace Developers? An Honest Answer

You're watching an AI agent build a full-stack app from a single prompt. Your stomach drops. So — is AI coming for your job? The honest answer is complicated.

Feb 7, 2026
Guides8 min read

Best Free Online JSON Formatters in 2026

You need to format some JSON. Some tools phone home with your data. Some inject ads. Some just work. Here's which JSON formatter to use and when.

Feb 7, 2026

Data

5
{ }

JSON Formatter & Validator

Pretty-print, validate, and minify JSON with syntax highlighting.

SQL

SQL Formatter

Beautify SQL queries with support for multiple dialects.

CSV

CSV to JSON Converter

Convert between CSV and JSON formats instantly.

🕐

Timestamp Converter

Convert Unix timestamps to dates and back. Live clock included.

.*

Regex Tester

Test regex patterns in real time with match highlighting.

Encoding

3
B64

Base64 Encode/Decode

Encode text to Base64 and decode Base64 to text.

%20

URL Encode/Decode

Encode and decode URL components and query strings.

<

HTML Entity Encode/Decode

Convert special characters to HTML entities and back.

Generators

4
ID

UUID Generator

Generate random v4 UUIDs. Bulk generate up to 100 at once.

Aa

Lorem Ipsum Generator

Generate placeholder text by paragraph, sentence, or word count.

🔑

Password Generator

Generate strong passwords with configurable rules and strength meter.

#

Random Number Generator

Generate random numbers with custom range and count.

Text

5
Wc

Word & Character Counter

Count words, characters, sentences, and estimate reading time.

±

Text Diff Checker

Compare two texts side-by-side and see highlighted differences.

MD

Markdown Preview

Write Markdown and preview rendered HTML in real time.

Aa

Case Converter

Convert text to camelCase, snake_case, kebab-case, and more.

F/R

Text Find & Replace

Find and replace text with optional regex support.

Crypto

3
#!

Hash Generator

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text.

JWT

JWT Decoder

Decode JWTs and inspect header, payload, and expiration.

Hm

HMAC Generator

Generate HMAC signatures with selectable hash algorithms.

Dev

6
⏱

Cron Expression Explainer

Explain cron expressions in plain English and see next run times.

200

HTTP Status Code Reference

Searchable reference of all HTTP status codes and their meanings.

TS

JSON to TypeScript

Generate TypeScript interfaces from JSON data instantly.

🎨

Color Converter

Convert colors between HEX, RGB, and HSL with live preview.

755

Chmod Calculator

Calculate Unix permissions with interactive checkboxes.

IP

What's My IP Address

See your public IP, location, timezone, and ISP instantly.