Textsy – Private, Browser-Only Developer Tools

Format, encode, generate, and analyze data instantly. All tools run locally in your browser—no uploads, no tracking.

Your data never leaves your browser

All Tools

Formatting

— Format and structure data

JSON Formatter

Format, minify, and validate JSON instantly

YAML ↔ JSON

Convert between YAML and JSON formats

Markdown Preview

Live preview with HTML source view

SQL Formatter

Format and beautify SQL queries

JS/CSS Formatter

Beautify or minify JavaScript and CSS

XML ↔ JSON

Convert between XML and JSON formats

CSV ↔ JSON

Convert between CSV and JSON formats

Encoding

— Encode, decode, and parse

Base64 Encoder

Encode or decode Base64 with URL-safe option

URL Parser

Parse URLs and encode/decode components

JWT Decoder

Decode and inspect JWT token claims

HTML Entities

Encode and decode HTML special characters

Number Base Converter

Convert between decimal, hex, octal, binary

String Escape Tool

Escape/unescape strings for multiple languages

ASCII/Unicode Lookup

Browse ASCII table and search Unicode characters

Hex ↔ Text

Convert between text and hexadecimal bytes

Generators

— Generate hashes, IDs, and text

Hash Generator

MD5, SHA-1, SHA-256, SHA-512 hashes

UUID Generator

Generate v4/v7 UUIDs and validate existing ones

Timestamp Converter

Unix timestamps ↔ human-readable dates

Lorem Ipsum

Generate placeholder text by length

Password Generator

Generate secure passwords with custom rules

Cron Expression Builder

Build and explain cron expressions visually

Fake Data Generator

Generate fake names, emails, addresses for testing

QR Code Generator

Generate QR codes from text or URLs

HMAC Generator

Generate HMAC signatures with various algorithms

Text Tools

— Transform and compare text

Case Converter

camelCase, snake_case, PascalCase & more

Regex Tester

Test patterns with live match highlighting

Text Diff

Compare texts line-by-line or word-by-word

Color Converter

HEX, RGB, HSL, and more with preview

List Utilities

Sort, dedupe, reverse, shuffle lines

Text Statistics

Word count, reading time, and text analysis

Slug Generator

Convert text to URL-friendly slugs

JSON Path Evaluator

Test JSONPath expressions against JSON data

chmod Calculator

Calculate Unix file permissions