Everyday tasks. Useful tools.
Free online tools for work, study and everything in between.
Timetable Maker is available in English. Other tools currently open in Chinese; their English editions are being added.
Recently Added
Timetable Maker
Make a weekly timetable, customize classes and export an image. No sign-up needed.
Chroma Key Remover
Remove green and blue backgrounds with live preview and transparent PNG export.
PDF Text Extractor
Extract and copy text from PDF documents.
Word to Image
Convert Word documents into images.
Word to HTML
Convert Word documents to HTML.
M3U8 Player
Play HLS video streams in your browser.
China License Plate Lookup
Look up Chinese vehicle registration prefixes by province and city.
PDF Stamp Tool
Apply a seal across PDF pages and export the stamped document.
Content & Publishing
Images & Screenshots
Chroma Key Remover
Remove green and blue backgrounds with live preview and transparent PNG export.
Image Compressor
Compress JPG, PNG and WebP images in your browser.
Signature Extractor
Extract a handwritten signature as a transparent PNG.
Image Resizer
Resize images by width and height or keep their proportions.
Social Media Image Cropper
Crop pictures for social posts and video thumbnails.
Pixelate Image
Create pixel art and mosaic effects from your images.
Batch Image Watermark
Add text or image watermarks to multiple pictures.
Image to Text (OCR)
Recognize text in images, copy it or download a text file.
WeChat Chat Mockup
Design example conversations, group chats and message screenshots.
WeChat Moments Mockup
Create demonstration images of posts, photos, likes and comments.
Mini Program Revenue Mockup
Create demonstration revenue charts and screenshots.
WeChat Wallet Mockup
Create a demonstration image of a WeChat wallet screen.
WeChat Transfer Mockup
Create sample transfer and payment record images.
PDF & Documents
PDF Text Extractor
Extract and copy text from PDF documents.
Word to Image
Convert Word documents into images.
Word to HTML
Convert Word documents to HTML.
PDF Stamp Tool
Apply a seal across PDF pages and export the stamped document.
Resume Builder
Create a resume and export it as a PDF or PNG image.
PDF to Word
Extract PDF text and generate an editable Word document.
PDF to PNG
Export each PDF page as a high-resolution PNG image.
Images to PDF
Combine multiple images into a single PDF document.
PDF Splitter
Split a PDF by page numbers or page count.
Finance & Calculators
Loan Calculator
Estimate repayments, total interest and a repayment schedule.
China Retirement Age Calculator
Estimate statutory retirement dates under Chinese retirement rules.
China Income Tax Calculator
Estimate monthly individual income tax and take-home pay in China.
Proportion Calculator
Solve ratios, scale values and find missing proportions.
Dividend Goal Tracker
Plan share accumulation and estimate dividend income.
Unit Converters
Length Converter
Use the length converter online in your browser.
Area Converter
Use the area converter online in your browser.
Volume Converter
Use the volume converter online in your browser.
Weight Converter
Use the weight converter online in your browser.
Temperature Converter
Use the temperature converter online in your browser.
Speed Converter
Use the speed converter online in your browser.
Wind Speed Converter
Use the wind speed converter online in your browser.
Time Converter
Use the time converter online in your browser.
Angle Converter
Use the angle converter online in your browser.
Frequency Converter
Use the frequency converter online in your browser.
Pressure Converter
Use the pressure converter online in your browser.
Power Converter
Use the power converter online in your browser.
Heat Converter
Use the heat converter online in your browser.
Force Converter
Use the force converter online in your browser.
Torque Converter
Use the torque converter online in your browser.
Charge Converter
Use the charge converter online in your browser.
Capacitance Converter
Use the capacitance converter online in your browser.
Resistance Converter
Use the resistance converter online in your browser.
Current Converter
Use the current converter online in your browser.
Voltage Converter
Use the voltage converter online in your browser.
Bandwidth Converter
Use the bandwidth converter online in your browser.
Font Size Converter
Use the font size converter online in your browser.
Fuel Consumption Converter
Use the fuel consumption converter online in your browser.
Base Converter
Use the base converter online in your browser.
Rem Px Converter
Use the rem px converter online in your browser.
Shoe Size Converter
Use the shoe size converter online in your browser.
Currency Converter
Use the currency converter online in your browser.
Rmb Uppercase Converter
Use the rmb uppercase converter online in your browser.
Blood Type Inheritance
Use the blood type inheritance online in your browser.
Developer & Webmaster
Ad Revenue Calculator
Estimate monthly and annual ad revenue from page views.
IP Address Lookup
Look up the location and provider of an IP address or domain.
Timestamp Converter
Convert between Unix timestamps and readable dates.
JSON Formatter
Format, minify and inspect JSON data in a tree view.
Webhook Tester
Build webhook requests and inspect the responses.
Bulk URL Opener
Open multiple links with duplicate removal and validation.
JWT Decoder
Inspect a JWT header, payload and signature.
Everyday Tools
Timetable Maker
Make a weekly timetable, customize classes and export an image. No sign-up needed.
M3U8 Player
Play HLS video streams in your browser.
Media Format Converter
Convert video and audio locally to WebM or WAV.
China License Plate Lookup
Look up Chinese vehicle registration prefixes by province and city.
Simple To-do List
Keep track of tasks with filters and automatic local saving.
Online Alarm Clock
Set reminders for work, meetings and daily activities.
LED Scrolling Text
Create a full-screen LED message with scrolling text effects.
Keyboard Tester
Check every key for input, missed presses and repeated signals.
vCard QR Code Generator
Create a contact QR code from your business card details.
Mouse Button Tester
Test mouse buttons, scrolling and input response.
Screen Test
Use full-screen colors to inspect bright, dark and stuck pixels.
Minecraft Circle Generator
Generate block layouts for Minecraft circles.
Hacker Simulator
Display a simulated terminal and animated code rain.
Color Vision Test
Explore an online color vision self-check.
Audio Cutter
Trim MP3, WAV, M4A and other audio files.
Online Whiteboard
Draw on multiple pages with pen and eraser tools.
Coin Flipper
Flip a virtual coin and track the results.
Have a tool in mind?
Tell us what would make your day easier.