About
Instant access to handy online tools.
Fast, free, no hassle. Designed for mobile and desktop.
New browser tools
Ten focused tools added on August 9, 2026. Inputs are handled in your browser.
- Base64 Encoder & Decoder
Encode or decode UTF-8 and Base64 text.
- URL Encoder & Decoder
Convert URL components and percent encoding.
- UUID Generator
Create one or many UUID version 4 identifiers.
- Unix Timestamp Converter
Convert seconds, milliseconds, UTC, and local dates.
- Regex Tester
Test JavaScript regular expressions and flags.
- Aspect Ratio Calculator
Reduce ratios and calculate matching dimensions.
- Percentage Calculator
Calculate percentages, ratios, and percentage change.
- Date Difference Calculator
Count elapsed and inclusive calendar days.
- Reading Time Calculator
Count words and estimate reading duration.
- Loan Payment Calculator
Estimate fixed-rate principal and interest payments.
Money, study, and everyday calculators
Ten English browser calculators added on August 10, 2026.
- Discount Calculator
Calculate savings and final sale price.
- Profit Margin Calculator
Compare profit, margin, and markup.
- Unit Price Calculator
Compare two package prices per unit.
- Fuel Cost Calculator
Estimate trip fuel and cost per traveler.
- Tip Calculator
Calculate tip, total, and per-person amount.
- Split Bill Calculator
Split subtotal, tax, and tip evenly.
- Sales Tax Calculator
Add tax or extract included tax.
- GPA Calculator
Calculate credit-weighted GPA on a 4.0 scale.
- Running Pace Calculator
Convert distance and time into pace and speed.
- Data Storage Converter
Convert decimal and binary storage units.
Income, business, and everyday calculators
Utilities
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📝 Easy Letter Word Counter
Just type or paste your text below.
You'll instantly see the number of letters and words! -
🪄 Image Compressor
Instantly compress and resize your images.
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✨ Smart Beautifier
Paste any messy HTML, CSS, or JavaScript.
It will auto-detect and prettify your code with tab indents.
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🧹 Universal Code Minifier
Instantly remove all comments and compress your JS, CSS, or HTML code.
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📄 PDF Toolkit
Merge, compress, split, encrypt, rotate, or convert images to PDF.
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🔐 Password Generator
Instantly create strong, secure passwords.
Optionally include your own word or phrase! -
🔳 QR Code Generator & Reader
Generate QR codes for links, text, or info.
Or scan QR codes using your camera or uploaded images. -
🔄 Unit Converter
Instantly convert between length, weight, temperature, speed, volume, and area.
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📸 Social Thumbnail Downloader
Paste a YouTube, X (formerly Twitter), or TikTok link to preview and download thumbnails in various qualities.
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📦 Barcode, ISBN, UPC Generator
Instantly generate barcodes for ISBN, UPC, EAN, Code128 and more.
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🔎 Text Diff Comparison Tool
Paste or type text in both boxes below and click Compare. Added, deleted, and changed sections will be highlighted.
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🔒 Easy Text Lock & Unlock
Hide or reveal a secret message easily.
(All work is instant & private, nothing is uploaded!) -
🎨 Color Extractor & Converter
Upload any image and instantly get its main color palette. Convert between HEX, RGB, and HSL. Click any color to copy its value!
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🔄 Data Format Converter
Paste JSON, XML, or CSV. Convert between formats, view with color, and check for errors.
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🖼️ HTML to Image/PDF
Convert any web page or your HTML code to PNG/JPG or PDF. All runs in your browser.
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🎨 Online Card Maker
Instantly generate and download a business card, invitation, or wedding card. Select a template, enter your details, and save as an image!
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🔊 Text to Speech (TTS) Converter
Convert text, news, or documents into natural voice. Play in your browser or download as MP3.
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🖼️ Image Format Converter
Convert images between PNG, JPG, JPEG, GIF, BMP, WebP and more.
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🖼️ Easy Image Editor
Resize, crop, and watermark your image in seconds! Super easy, for kids and everyone.
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📝 Text Summarizer
Paste a long text or article below.
Click Summarize to get a short summary! -
🔢 CRC Generator
Enter text or hex, select CRC type, and get the checksum instantly!
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🔠 Case Converter
Paste or type any text and instantly convert its case.
Supports: UPPERCASE, lowercase, Capitalize, Title Case, Sentence case. -
📝 Quick Memo
Jot down quick notes, todos, ideas, or drafts.
Saved automatically in your browser (Local Storage). -
🔀 Text Shuffle & Sort Tool
Enter or paste multiple lines of text.
Instantly randomize (shuffle), sort (A→Z), or reverse (Z→A) your list! -
📈 Compound Interest Calculator
Instantly calculate your future savings or investment.
Enter amount, rate, time, and see growth with interest! -
🔤 English Pronunciation Converter
Enter an English word or sentence. See an IPA-style phonetic conversion.
Rule-based, for study and fun. (Not official IPA!) -
🏃 BMI Calculator
Instantly calculate your Body Mass Index.
Just enter your height and weight! -
💸 Simple Finance Calculator
Calculate simple interest, savings deposit growth, and loan installment payments.
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⏳ Time Difference & Countdown
Calculate days, hours, minutes, seconds between dates, or see a live countdown. Tip: Pick only End Time for countdown from now.
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🎂 Age & Birth Year Calculator
Enter your birthday to see exact age, Korean age, and countdown to next birthday. Or enter age to estimate your birth year.
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✨ Random Nickname Generator
Instantly create 5 random nicknames at a time. Choose a style and copy your favorite!
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🔀 Random Team/Group Generator
Paste or type names (one per line), choose the number of teams, and split into random teams instantly!
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🔮 Fortune Teller
Click the button to reveal your fortune for today! (For fun & positive vibes)
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🎲 3D Dice Roller
Roll a true 3D dice in your browser with realistic animation.
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🎲 3D Dice Roller
Roll a true 3D dice in your browser with realistic animation.
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🍳 Easy Recipe Finder
What ingredients do you have?Type or choose below!