AI tools
AI Usage Reset Schedule
See Codex, Claude and Grok official heads-ups separately from unofficial estimated dates. Updated from whenreset every 30 minutes, not your personal usage reset schedule.
Tools
Convert images and PDFs, count text, calculate dates and clean data. Find the tool for your task.
37 tools
AI tools
AI Image Playground
Transform photos of people, pets, objects, and places into character cards, posters, figures, and more.
AI tools
Multilingual AI Grammar & Spelling Checker
Automatically detect the input language and correct grammar, spelling, typos, punctuation, and awkward phrasing.
AI tools
Portrait Background Remover
Remove portrait backgrounds with on-device AI and save a transparent PNG.
AI tools
AI Product Fair Price Research
Submit a product URL or a plain-language request to compare sellers and similar products, estimate a fair price range, and surface purchase checks.
Images & documents
Image Compressor & Resizer
Import SVG, JPG, PNG or WebP images, then resize, compress and export them as JPG, PNG or WebP.
Images & documents
Merge & Split PDF
Merge PDFs, extract pages, rotate documents or turn images into a PDF.
Images & documents
Image Cropper & Rotator
Crop a photo to a custom ratio, rotate or flip it, and save it as JPG, PNG or WebP.
Images & documents
Word & Character Counter
Count words, characters, lines and UTF-8 bytes in real time.
Images & documents
Text Diff Checker
Compare original and revised text line by line with additions and removals highlighted.
Calculators & life
QR Code Maker & Reader
Create URL and Wi-Fi QR codes or read a QR image.
Calculators & life
Date & Weekday Calculator
Find the difference between dates, count weekdays and add days.
Calculators & life
D-Day Calculator
See exactly how many days remain until a special date.
Calculators & life
Split Bill Calculator
Split first and second rounds and create a payment request message.
Calculators & life
GPA Converter
Convert between 4.3, 4.5, 4.0 and 100-point grading scales.
Developer tools
CSV Cleaner & JSON Converter
Clean empty or duplicate rows in CSV and TSV, then export JSON.
Developer tools
JSON Formatter & Validator
Format JSON with readable indentation and find syntax errors before using the data.
Developer tools
Regular Expression Tester
Test a regular expression and flags against text with live match highlighting.
Developer tools
Bookmark & Link Organizer
Save useful URLs by category, add notes and favorites, and find them again quickly.
Developer tools
What Is My IP Address?
See and copy the public IP address used for this connection, including its IPv4 or IPv6 type.
Developer tools
Base64 Encoder & Decoder
Convert text or images to Base64 and decode Base64 data in your browser.
Developer tools
Timestamp & World Time Converter
Convert Unix timestamps and ISO dates while comparing world time zones.
Video & subtitles
SRT & WebVTT Subtitle Toolkit
Shift subtitle timing and convert between SRT and WebVTT.
Video & subtitles
YouTube Thumbnail Grabber
View and download thumbnails in multiple sizes from a video URL.
Video & subtitles
AI Auto Captions for Shorts & Reels
Transcribe short videos, edit word timing, and export a captioned MP4 or SRT file.
Design & content
Word Cloud Generator
Analyze word frequency and create a downloadable word cloud.
Design & content
Online Mind Map Maker
Connect, drag, and style nodes to organize ideas, projects, and study notes visually.
Design & content
Text to Mind Map Generator
Automatically arrange an indented outline and export a polished PNG or SVG mind map.
Design & content
Favicon Generator
Turn an image into 16, 32 and 48px PNGs and a favicon.ico set.
Tests & devices
Reaction Time Test
Click when the screen changes color and measure your reaction time in milliseconds.
Tests & devices
Keyboard N-Key Test
Check every key, maximum simultaneous input and keyboard ghosting.
Tests & devices
Dead Pixel & Retention Test
Cycle full-screen solid colors to inspect pixels and image retention.
Tests & devices
Typing Speed Test
Type a short passage and measure WPM, accuracy and time.
Tests & devices
Mouse Click, Wheel & Double-Click Test
Check left, middle and right clicks, wheel direction and browser double-click events. Not a hardware fault diagnosis.
Audio & video
MP3 to WAV Converter · Batch Audio Conversion
Convert MP3 files to 16-bit PCM WAV for free. Process multiple files and download each WAV or one ZIP. All conversion happens in your browser, with no uploads.
Audio & video
Video to GIF Converter
Trim part of a video and turn it into a GIF entirely in your browser.
Audio & video
GIF Speed & Size Optimizer
Adjust GIF speed, frame rate, dimensions and color count.