Most Popular Tools
Studio Clock
A stateless, privacy-first time tracker for professional inventors. Sync hours to your local disk with zero data transmission.
Expense Splitter Matrix
The privacy-first way to split group bills and trip costs. Features a visual matrix for row-by-row exclusions and automated settlement plans.
BlobCalc
Stateless calculation engine. No tracking, no ads, pure logic.
JSON Formatter & Validator
Format, minify, and validate JSON instantly in the browser. Clean, readable, and 100% local.
Glassmorphism Lab
Experiment with glass blur, opacity, tint, and borders in real-time and generate CSS for your modern UI designs.
Regex Tester
Test and debug regular expressions instantly with live highlighting — fast, free, and offline.
All Tools
Text Case Converter
Convert text between uppercase, lowercase, title case, and sentence case in a click.
Word & Character Counter
Count words, characters, sentences, and paragraphs in a click.
Timestamp Converter
Convert Unix timestamps to human-readable dates and vice versa — quick and local.
URL Encoder & Decoder
Encode or decode URLs safely, instantly, and without leaving your browser.
Base64 Encoder & Decoder
Convert text or small files to and from Base64 locally and securely.
CSS Box Shadow Generator
Create and preview CSS box shadows with live visual feedback — fast and offline.
Color Format Converter
Convert colors between HEX, RGB, and HSL instantly and locally.
Text Diff Checker
Compare two blocks of text and highlight the differences — quick and easy.
Markdown Previewer
Type Markdown and see a live preview instantly — no backend required.
Unit Converter
Convert between common units like length, weight, volume, and temperature.
Color Palette Generator
Generate harmonious color palettes for design projects with live previews.
JSON to CSV Converter
Convert JSON data to CSV format for spreadsheets quickly and easily.
Text Replacer
Search and replace text or patterns in bulk quickly and safely.
HTML Entity Encoder/Decoder
Encode or decode special characters for safe use in HTML documents.
Text to Speech
Convert text into spoken audio using your browser's built-in capabilities.
Modal Dialog Designer
Design modal dialogs visually with live preview and CSS export.
English Domain Name Generator
Generate pronounceable, brandable English domain names using phonetic theory.
HTML Tester Tool
Type or paste HTML code and see it rendered instantly in a live preview.
Barely There UI Lab
Experiment with minimal UI elements, subtle depth, and typography.
Table based LLM Prompt Builder
Build and combine structured prompt snippets with ease. Save and reuse instantly.
Advanced LLM Prompt Workflow Builder
Create, chain, and customize multi-step LLM prompts and export workflows.
To-Do List
Create and manage a personal to-do list that saves your tasks in the browser.
Pomodoro / Focus Timer
Boost productivity with timed focus and break intervals.
Daily Journal / Notes
Write and save notes or journal entries locally in your browser.
Countdown / Event Timer
Set a date to see a live countdown to your event.
Simple Calculator
Perform calculations quickly and keep a history of results.
Image to Data URI
Convert images to Base64 strings for CSS, HTML, or JSON. Drag, drop, and copy—all 100% local.
JSON to TypeScript Interface
Instantly generate clean, nested TypeScript interfaces from JSON data. Essential for developers, processed 100% locally.
AI Prompt Builder
Stop staring at a blank cursor. Build high-quality AI prompts using professional building blocks for better results from ChatGPT and Claude.
Quick Brain Dump
The fastest way to capture a thought. A distraction-free scratchpad that auto-saves to your browser and never leaves your computer.
Data Sanitizer & List Cleaner
The ultimate "un-formatter." Strip bullets, remove duplicates, and convert messy lists into CSV or SQL formats instantly.
QR Code Generator
Generate high-density QR codes for URLs, text, WiFi, or phone numbers—100% stateless and local.
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