SomeTools

WebLLM Chatbot

Chat with local AI models in your browser using WebLLM, with model download and cache controls

Regex Generator

Generate regular expressions from natural language using AI (WebLLM)

Grammar & Spelling Checker

Check spelling and grammar using AI, with highlighting and auto-fix

AI Text Detector

Detect AI-generated text using ModernBERT ONNX model

AI Image Generator

Generate images from text prompts using SD-Turbo and Janus-Pro-1B models with WebGPU

JSON Validator

Validate JSON with instant feedback and error pointers

JSON Formatter

Format and beautify JSON with customizable indentation

JSON Schema Validator

Validate JSON against JSON Schema locally

JSON Schema Generator

Generate JSON Schema from JSON data locally

JSON ↔ YAML ↔ TOML Converter

Convert between JSON, YAML, and TOML formats

OpenAPI Viewer

View and explore OpenAPI/Swagger specifications locally

CSV/TSV Converter

Convert between CSV, TSV, and JSON formats

SQL Formatter

Format and beautify SQL queries with customizable indentation

YAML Validator

Validate YAML syntax with instant feedback

Base64 Encode/Decode

Encode and decode Base64 strings with URL-safe option

URL Encode/Decode

Encode and decode URL strings locally

Image to PDF

Convert images (JPG, PNG, GIF, WebP) to PDF files with customizable page settings

Image Format Converter

Convert images between PNG, JPEG, WebP, SVG, and ICO formats

Video Format Converter

Convert videos between MP4, WebM, AVI, MOV, and MKV formats

Time & Timezone Parser

Parse times, normalize to UTC, and convert across common time zones

Unit Converter

Convert between hundreds of units across length, area, volume, mass, time, temperature, speed, energy, and more

Hash Generator

Generate SHA-1, SHA-256, SHA-384, SHA-512 hashes

UUID Generator

Generate UUIDs in versions 1, 2, 3, 4, and 5

JWT Decoder

Decode JWT tokens to view header, payload, and signature

Random Number Generator

Generate random numbers with customizable range and count

List Shuffler

Shuffle lists of items with customizable delimiters

Calculator

Simple, advanced, and scientific calculator with history and memory functions

Notes

Create and manage notes saved locally. Download individual notes or all as ZIP

Text to Speech

Convert text to speech with various voices and download audio files

Color Contrast Checker

Check color contrast ratios for WCAG accessibility compliance

Compression Estimator

Estimate gzip and brotli compression sizes

Mock Data Generator

Generate mock JSON data from JSON Schema

QR Code Generator

Generate QR codes from text or URLs

Text Diff

Compare two texts side-by-side with word/char granularity

Regex Tester

Test regular expressions with match highlighting and groups