Browse by category

All tools in one place

55 tools sorted by task. Find and go.

Every live utility is listed below so crawlers and users can discover the full catalog from a single page.

Content

• Lorem Ipsum Generator (Placeholder Text, Dummy Text)

  Produce placeholder paragraphs, sentences, or words in one click.

Design

• Color Converter (HEX, RGB, HSL, CSS)

  Switch between HEX, RGB, HSL, and CSS variables instantly.

• Favicon Generator (PNG, Multi-Size)

  Generate crisp favicon PNGs locally and export a ZIP.

Developer

• Base64 Encoder & Decoder (UTF-8, URL-safe, Image to Base64)

  Convert text, files, or images to Base64 instantly without server uploads.

• JSON Formatter & Validator (Minify, Beautify, Fix JSON)

  Pretty-print, minify, or validate JSON documents instantly.

• HTML, CSS & JS Formatter (Prettier, Beautify, Minify)

  Prettify front-end snippets without installing CLI tools.

• Regex Tester: Test & Debug Regular Expressions Online

  Test regex patterns, see matches highlighted in real time, and debug regular expressions — all in your browser.

• UUID Generator (v4, Random, GUID)

  Create UUID v4 identifiers locally with one-click copy and batching.

• Hash Generator (MD5, SHA-256, Encryption)

  Generate MD5, SHA-1, SHA-256, and SHA-512 hashes instantly.

• CSV to JSON Converter (Table, Array, Excel)

  Convert CSV or TSV to JSON (and back) with proper quoting, headers, and clipboard support.

• JWT Decoder (Header, Payload, Token)

  Decode JWT header and payload with base64url handling and human-readable claim timestamps.

• XML to JSON Converter (API, Data, Parse)

  Convert between XML and JSON formats instantly. Perfect for API integration.

• YAML to JSON Converter (Config, DevOps, Kubernetes)

  Convert between YAML and JSON formats. Perfect for config files.

• SQL Formatter (Beautify, Indent, Pretty Print)

  Format and beautify SQL queries. Supports MySQL, PostgreSQL, Oracle.

• CSV Deduplicator & Diff Tool

  Compare two CSV files or lists to find common, unique, or missing data.

Documents

• PDF Merger (Combine, Join, Binder)

  Combine multiple PDF documents without leaving your browser.

• PDF Compressor (Reduce Size, Shrink, Optimize)

  Shrink PDF size with browser-only rasterization and quality presets.

• PDF to Image Converter (JPG, PNG, Extract)

  Convert every PDF page to JPG or PNG images directly in your browser.

• PDF Page Organizer (Reorder, Rotate, Delete Pages)

  Reorder, rotate, delete, and clean up PDF pages locally.

• PDF Password Remover (Unlock, Decrypt, Unprotect)

  Enter the correct password to rebuild an unlocked PDF copy in your browser.

• Image to PDF Converter (Combine, JPG, PNG)

  Combine multiple JPG/PNG images into one PDF instantly.

• PDF Splitter (Extract Pages, Separate, Cut)

  Split PDFs into single pages or export a custom page range.

• Receipt Maker (Printable PNG/PDF, Offline)

  Generate clean receipts or lightweight invoices in your browser with custom lines and taxes.

Everyday

• Unit Converter (Length, Weight, Temp, Volume)

  Convert length, weight, temperature, and volume instantly.

• Scientific Calculator (Math, Percent, History)

  Perform fast calculations with scientific functions and history.

• Random Number & Name Picker (Offline)

  Generate random numbers or pick winners from a list—runs locally for instant results.

Finance

• Auto Loan Calculator (Amortization, Monthly Payment, Interest)

  Estimate monthly auto payments, total interest, and payoff timelines with our free car loan calculator.

• Mortgage Calculator (PITI, Interest, Home Loan)

  Estimate home payments with principal, interest, taxes, and insurance.

• USD Amount to Words: Check Writing Converter

  Convert dollar amounts into English words and check-ready strings.

• Salary Tax Calculator (Federal, Take-home, Paycheck)

  Estimate federal income tax and take-home pay for any salary.

• Tip Calculator: Split Bills, Pool Tips & Round Per Person

  Calculate tips, split bills by person, and round to clean amounts. Works offline.

Health

• BMI Calculator (Male, Female, WHO, Health)

  Calculate your body mass index using metric or imperial units.

Media

• Image Compressor (Reduce Size for Web, PNG/JPG/WebP)

  Shrink PNG/JPG/WebP files and export optimized assets instantly.

• Image Resizer: Resize JPG, PNG, and WebP

  Resize images to exact dimensions and convert to WebP, JPEG, or PNG entirely in your browser.

• Image Watermarker (Text, Batch, Copyright)

  Add text watermarks to batches of images and export as JPG/PNG ZIP.

• Batch Convert HEIC to JPG — Free iPhone Photo Converter

  Batch convert HEIC to JPG or PNG in your browser without uploading photo files to JW Tool Box. Batch size depends on device and browser memory.

• SVG to PNG Converter (Vector, Raster, High Resolution)

  Convert SVG vector graphics to high-res PNG in your browser with adjustable scale.

• Image Cropper (PNG/JPEG/WebP, No Upload)

  Crop, rotate, and export images locally with social-friendly aspect ratios.

• EXIF & Photo Metadata Eraser (100% Local)

  Instantly strip GPS, camera info, and sensitive metadata from photos before sharing online. Runs entirely in your browser.

Productivity

• Countdown Timer & Stopwatch (Alarm, Interval, Pomodoro)

  Set shareable countdowns for launches, workouts, or study blocks.

• World Clock (Time Zones, Local, Meeting Planner)

  See the current time across major cities and plan meetings easily.

• Screen Wake Lock (Prevent Sleep, Always On)

  Prevent your screen from dimming on Google Meet, Zoom, or while presenting.

Security

• Password Generator (Strong, Random, Secure)

  Create strong, random passwords with the exact rules you need.

• Password Entropy Checker

  Evaluate password strength and crack time using local zxcvbn logic.

Sharing

• QR Code Generator (URL to PNG)

  Turn a URL into a static QR code and download it as a PNG.

• Barcode Generator: Create EAN-13, UPC, and Code 128

  Free EAN code generator and standard barcode maker (CODE128, EAN-13, UPC).

• QR Code Scanner (Camera + Image, Local Processing)

  Scan QR codes with your camera or an uploaded image; decoding runs locally in your browser.

Text

• URL Encoder & Decoder (Percent-encoding, Decode, Escape)

  Encode or decode URL strings instantly. Fix broken links and debug query parameters.

• Chinese Pinyin Converter (Tone Marks, Hanzi to Pinyin)

  Convert Hanzi into tone-mark or tone-number Pinyin instantly.

• Text Diff Checker (Compare, Highlight, Difference)

  Highlight differences between two blocks of text in seconds.

• Markdown Converter (to HTML, Editor, Preview)

  Quickly convert Markdown to clean HTML or paste HTML back into Markdown.

• Word Counter (Characters, Reading Time, Analysis)

  Count words, characters, and estimate reading time in real-time.

• Case Converter (Upper, Lower, Camel, Title Case)

  Convert text to uppercase, lowercase, Title Case, camelCase, and more.

Time

• Days Calculator: Count Days Between Dates & Add Days

  Count days between two dates, add days to find a future date, or calculate deadlines instantly.

• Age Calculator (Years, Months, Days + Next Birthday)

  Find exact age and days to the next birthday for any target date.