Every tool, one library
170 tools across 8 categories. Search or filter to jump to what you need.
BMI Calculator
Body Mass Index calculator with metric & imperial units.
Calorie & TDEE Calculator
Daily calorie needs (BMR & TDEE).
Loan & EMI Calculator
Monthly EMI, total interest and total payable for any loan.
Mortgage Calculator
Monthly mortgage payment, interest and total.
Compound Interest Calculator
Future value with custom compounding frequency.
Percentage Calculator Pro
Advanced percentage calculations, increase/decrease and ratios.
Age & Date Calculator
Calculate exact age and difference between dates.
GST / VAT Calculator
Add or remove GST / VAT from any amount.
Time & Duration Calculator
Hours and minutes between two times or dates.
Salary to Hourly Calculator
Convert annual salary into hourly, weekly, monthly.
Pregnancy Due Date Calculator
Estimate due date from LMP.
GPA Calculator
Weighted GPA on the 4.0 scale.
Word Counter Pro
Count words, characters, reading time and advanced stats.
Case Converter Suite
UPPER, lower, Title, camel, snake, kebab — all-in-one.
Lorem Ipsum Pro
Generate high-quality filler text.
Remove Duplicate Lines
Deduplicate any list of lines, with trim and case options.
Find and Replace
Replace text with plain or regex matching.
Text Diff Checker
Compare two texts line by line.
Slugify & URL Parser
Turn any title into a clean URL slug.
Universal Unit Converter
The ultimate length, weight, area, and volume converter.
JSON Formatter & Validator
Format, validate and minify JSON with live error detection.
CSV ↔ JSON Converter
Convert between CSV tables and JSON arrays.
URL Encoder / Decoder
Percent-encode or decode URLs and query strings.
Base64 Encoder / Decoder
Encode and decode Base64 strings safely.
Color Converter Pro
Convert between HEX, RGB, HSL and CMYK.
Number Base Converter
Binary, octal, decimal and hex — all at once.
Unix Timestamp Converter
Convert between Unix time and human dates.
Markdown to HTML
Convert Markdown to clean HTML with preview.
Image Compressor
Reduce image file size while keeping quality.
Image Resizer
Resize images to exact dimensions in your browser.
Image Format Converter
Convert between PNG, JPEG and WebP.
Image to Text (OCR)
Extract text from images and screenshots.
Merge & Split PDF
Combine multiple PDFs or extract pages from a document.
Compress PDF
Reduce PDF size without losing quality.
PDF to Word
Convert PDF documents to editable Word files.
Word to PDF
Convert DOCX and DOC documents to PDF.
Business Profit Toolkit
Calculate margin, markup, profit and break-even point.
Marketplace Fee Calculator
Net payout after Etsy, eBay or Amazon fees.
ROI Calculator
Return on investment and net profit.
Marketing ROI Suite
CAC, LTV, and conversion rate analysis.
Hash Generator
SHA-256, SHA-512 and other secure cryptographic hashes.
Password Generator
Strong, cryptographically-random passwords.
UUID Generator
Generate v4 UUIDs in bulk for development.
JWT Decoder
Inspect JWT header and payload content.
Regex Tester
Test regular expressions live against any string.
QR Code Generator
Create downloadable QR codes for any text or URL.
Business QR Generator
Branded, free QR codes for professional use.
CSS Code Generator
Visual builder for gradients, shadows, and borders.
HTML/CSS Minifier
Compress HTML, CSS and JSON for production.
User-Agent Parser
Parse browser, OS and device from a UA string.
AI Chat Playground
Free multi-turn AI chat assistant.
AI Vision Q&A
Upload an image, ask AI anything.
AI Long-Form Writer
Write full articles with H2 sections.
AI Code Explainer
Explain any code snippet clearly.
AI Text Summarizer
Condense long text into a clear summary.
AI Grammar Fixer
Polish grammar, spelling and punctuation.
AI Translator
Translate text into any language.
AI Paraphraser
Rewrite text to be clearer and original.
AI Email Writer
Draft professional emails in seconds.
AI Hashtag Generator
Relevant hashtags for any social post.
AI Title Generator
Click-worthy titles for articles and videos.
AI Blog Outliner
Full blog post outline with H2 sections.
AI Tweet Writer
Five tweet options under 280 characters.
AI Product Description Writer
Conversion-focused e-commerce copy.
AI Bio Generator
Social media bios under 160 characters.
AI FAQ Generator
Auto-generate FAQ sections.
AI Meta Description Writer
SEO meta descriptions under 155 chars.