All Tools
Simple, free utilities that each do one job well. Choose a category or browse every tool below.
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Image Tools
Resize, crop, convert, edit, and prepare images with private browser-based tools.
Your images are processed entirely in your browser and are never uploaded.
Base64 to Image Converter
Decode Base64 or an image Data URL into a preview and downloadable image locally.
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Bluesky Profile Photo Resizer
Create a square Bluesky avatar while keeping within its documented file limit.
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Custom Grid & Battlemap Grid Generator
Make printable graph paper or add a private square or hex grid over a D&D battlemap, tabletop RPG map, photo, or other image.
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Facebook Profile Photo Resizer
Create a square Facebook profile picture with adaptive output sizes and a circular guide.
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Image Editor — Crop, Resize and Convert
Crop, resize, create a circle, and convert image formats in one private browser tool.
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Image to Base64 Converter
Convert an image to a complete Data URL or raw Base64 locally in your browser.
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LinkedIn Profile Photo Resizer
Create a square LinkedIn profile photo with resolution-aware output sizes and a circular positioning guide.
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Twitter (X) Profile Photo Resizer
Crop and resize a Twitter or X profile photo with a circular guide and resolution-aware square exports.
Open toolPDF & Document Tools
Merge, split, rearrange, rotate, and convert documents privately in your browser.
Your documents are processed entirely in your browser and are never uploaded.
Utilities
Practical browser-based utilities for everyday digital tasks, recording, testing, and planning.
Calendar Event & ICS Generator
Create one calendar event, download an ICS file, or copy direct Google Calendar and Outlook links.
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Online Screen Recorder - Record Screen & Audio
Record a tab, window, or screen with optional audio, then preview and download it privately in your browser.
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Online Whiteboard & Diagram Tool
Draw, diagram, and download. Everything stays in your browser.
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Webcam & Microphone Test
Privately test your camera, microphone, and recorded playback in your browser.
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What's My IP Address?
Find your public IPv4 or IPv6 address and view basic information about your internet connection.
Open toolText Tools
Count, convert, clean, sort, and generate text privately with focused browser-based tools.
Case Converter
Convert text between uppercase, lowercase, title, sentence, camel, snake, and other cases.
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Character Counter
Count characters, words, and lines while tracking custom or common reference limits.
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Lorem Ipsum Generator
Generate a chosen number of placeholder words, sentences, or realistic paragraphs locally.
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Remove Blank Lines
Remove every blank line or collapse repeated blank lines while preserving nonblank text.
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Remove Duplicate Lines
Remove repeated lines from lists while preserving the first occurrence and original order.
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Slug Generator
Convert titles and phrases into clean URL-friendly slugs with configurable separators.
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Sort Lines
Sort complete text lines alphabetically, numerically, by length, or in random order.
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Word Counter
Count words, characters, sentences, paragraphs, lines, reading time, and speaking time.
Open toolMarketing & Communications
Practical tools for building, checking, and managing campaign URLs, tracking links, and marketing communications tasks.
Bulk UTM Builder
Generate, review, copy, and export multiple UTM campaign URLs from an editable table or CSV.
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Campaign URL Validator
Check campaign links for missing, malformed, duplicate, or inconsistent UTM parameters before launch.
Open toolUTM URL Builder | Campaign Tracking URL Generator
Create a campaign URL with correctly encoded UTM parameters, privately in your browser.
Open toolUTM URL Parser
Extract, edit, remove, and rebuild UTM campaign parameters while preserving other URL values.
Open toolDeveloper Tools
Focused tools for code, websites, campaign URLs, QR codes, favicons, and other development workflows.
Code to HTML Syntax Highlighter
Turn source code into standalone syntax-highlighted HTML, privately in your browser.
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Favicon Generator From Image
Turn one image into a ready-to-install modern favicon package, entirely in your browser.
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JSON ↔ YAML Converter
Convert JSON and YAML in either direction, then copy or download the result.
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JSON Builder Online
Create valid JSON visually with objects, arrays, typed values, and nested data.
Open toolJSON Validator Online
Validate JSON syntax and review itemized errors, locations, and duplicate property warnings.
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Markdown Editor / Previewer
Write Markdown and preview sanitized rendered HTML privately in your browser.
Open toolRegex Tester
Test JavaScript regex patterns, flags, captures, positions, and replacements locally.
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RSS Builder Online
Create an RSS 2.0 channel and items visually, validate the feed, and download its XML.
Open toolRSS Editor Online
Open and edit RSS 2.0 channels and items visually, then validate and download the feed XML.
Open toolRSS Validator Online
Validate RSS 2.0 XML, channel metadata, items, links, dates, GUIDs, and enclosure attributes.
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Text Diff Checker
Compare two text or code versions with side-by-side and inline difference views.
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Unix Timestamp Converter
Convert epoch seconds, milliseconds, and local dates with clear timezone output.
Open toolURL Encoder / Decoder
Encode or decode URL component text locally with clear error handling.
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XML Builder Online
Create XML visually with a root element, nested children, attributes, and text.
Open toolXML Editor Online
Open and edit XML elements, attributes, text, and nested data in visual and source views.
Open toolXML Validator Online
Check XML well-formedness and review itemized syntax errors with available line and column locations.
Open toolCSV Tools
View, edit, convert, clean, extract, and merge CSV data privately in your browser.
CSV Column Extractor
Select and export only the columns you need from a CSV dataset entirely locally.
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CSV Editor
Edit CSV cells, headers, rows, and columns, then copy or download valid CSV locally.
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CSV Merge Tool
Append CSV files or join two datasets by a shared key with private local processing.
Open toolCSV to JSON Converter
Convert CSV rows to pretty JSON objects while preserving every CSV value as a string.
Open toolCSV to TSV Converter
Convert properly parsed CSV data into safe tab-separated values in your browser.
Open toolJSON to CSV Converter
Convert a JSON array of objects into correctly escaped, downloadable CSV data.
Open toolRemove Duplicate CSV Rows
Remove identical CSV rows or deduplicate records using one or more selected columns.
Open toolTSV to CSV Converter
Convert tab-separated text into correctly quoted CSV with local preview and download.
Open toolToys
Playful, interactive browser experiments, simulations, and digital toys made for exploring and having fun.
Goodbye, Earth
Destroy the Earth in a playful browser simulator with fictional nuclear blasts, an orbital laser, or runaway alien vines and space flowers.
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Magnetic Balls
Play with virtual magnetic balls: snap them together, pull structures apart, and change the physics live in a polished 3D toy.
Open toolCalculators
Free calculators for math, money, dates, time, travel, shopping, food, pets, and household projects.
Math & Money Calculators
Calculate percentages, pay, discounts, costs, tips, and random values with clear inputs and results.
Date & Time Tools
Calculate dates, durations, ages, schedules, countdowns, and time savings.
Age Calculator - Calculate Your Exact Age
Calculate your exact age in years, months, and days, plus your next birthday and age on any date.
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Countdown Timer
Create a live countdown to any date and time, then bookmark or share it with one link.
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Movie End Time Calculator
Find a movie's finish time or the time you need to start watching.
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Time Saved by Speeding Calculator
See the theoretical and real-world time difference between two driving speeds.
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Time Savings Calculator
Compare current and new task duration and frequency to see how much time you save—or add.
Open toolEveryday Tools
Useful calculators and converters for food, fitness, pets, travel, shopping, and home projects.
Binge Watch Calculator - Estimate Your Finish Date
Estimate your remaining watch time, number of sessions, and TV-show finish date.
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Cake Size Calculator: Servings by Cake Size
Find the right round, square, or rectangular cake size for your number of guests, with party and wedding serving estimates.
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Gravel Calculator - How Much Gravel Do I Need?
Calculate how much gravel you need in cubic yards or cubic meters and estimate the weight in pounds, tons, or metric tonnes.
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Mulch Calculator - How Much Mulch Do I Need?
Find the cubic yards, cubic feet, and bags of mulch needed for your landscaping project.
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Paper Towel Deal Calculator
Find which paper towel package is the better deal using actual sheet dimensions—not Double Roll or Mega Roll labels.
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Pizza Calculator - How Much Pizza Should I Order?
Estimate a pizza order or compare pizza deals using actual pizza area, not inconsistent slice counts.
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Road Trip Gas Splitter
Calculate how much each traveler should chip in for gas and other shared road-trip costs.
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Shoe Size Converter: US, UK, EU, Men's & Women's Sizes
Convert adult shoe sizes between US men's, US women's, UK, and EU sizing, or estimate a size from foot length.
Open toolToilet Paper Deal Calculator
Compare toilet paper prices by cost per square foot and quickly find which package is the better buy.
Open toolTrip Expense Splitter
Split group travel costs and calculate exactly who owes whom with as few payments as possible.
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Turkey Size Calculator
Find a practical whole-turkey size for your guest count using USDA guidance.
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