🧰 UserToolbox

The Creator's Toolbox

44 free tools · no login · runs in your browser

All Tools
✨

AI Text Purifier

Remove AI clichés & detection patterns
📱

QRCraft

Free QR code generator — instant, no login
🎬

SlideMD

Markdown → beautiful presentation slides

 NEW
📝

WordCount

Live word, character & reading-time counter

 NEW
🔀

TextDiff

Compare two texts & highlight every change

 NEW
💎

CodeImage

Code snippets → stunning shareable images

 NEW
📑

PDF Toolkit

Split · Merge · Compress · Rotate · Watermark · Password & more

 NEW
🌐

IP Lookup & WHOIS

IP geolocation, WHOIS & domain checker

 NEW
🖼️

Image Tools

Compress, resize, crop, convert & watermark

 NEW
⚖️

UnitFlip

Convert any unit instantly — free & fast

 NEW
🔐

SecureGen

Create uncrackable passwords in one click

 NEW
🎂

Age Calculator

Your exact age + birthday countdown

 NEW
🍅

FocusPomo

25 min deep work · 5 min break · repeat

 NEW
🧮

Percentage Calc

Any percentage in seconds, step-by-step
📦

TariffIQ

HS code & global import duty lookup
🌍

Address Generator

Random addresses for 12 countries — US, UK, JP & more
✍️

AI Listing Writer

Amazon & Shopify descriptions in seconds
✂️

BG Remover

Remove image backgrounds instantly — free, local, no uploads
📊

Break-even Calc

Find your minimum profitable selling price
📐

CBM Calculator

Volumetric weight & container utilization for shipping
🚢

Container Loader

How many cartons fit — 20ft / 40ft / 40HQ
₿

Crypto Prices

Live BTC, ETH & top 20 coin prices
💱

Currency Converter

Live exchange rates for 170+ currencies
🧰

E-com Toolkit

All 13 seller tools in one place
📧

AI Email Writer

Professional trade emails — RFQ, claims, orders
💰

FBA Profit Calc

Net profit, ROI & Amazon fee breakdown
📄

Invoice Generator

Proforma & commercial invoices, PDF export
{ }

JSON Formatter

Format, validate, minify and beautify JSON
🧾

Landed Cost Calc

CIF value, duty, VAT & total import cost
🛍️

Listing Editor

Amazon titles & bullets with character limits
📈

Profit Margin Calc

Margin, markup & selling price in one click
📋

Packing List

Create export packing lists — print & PDF
💳

PayPal Fee Calc

Know exactly what you'll receive after fees
👤

CyberPersona

Generate realistic digital personas for testing & UX research
🔍

Regex Tester

Test regular expressions in real time with match highlights
🌿

TCM Body Type Test

Discover your Chinese medicine constitution & wellness tips

 NEW
🔧

Dev Toolkit

Base64, MD5/SHA hash, UUID & Unix timestamp

 NEW
🔄

PDF to Word & Excel

Convert PDF to editable Word or Excel — free, instant

 NEW
📊

Amazon Rank Checker

See where your ASIN ranks for any keyword — free

 NEW
🎨

Color Contrast Checker

WCAG AA/AAA contrast ratio, instant, in-browser

 NEW
📝

Markdown Editor

Live preview, export to .md or .html

 NEW
✍️

E-Sign PDF

Draw or type a signature, place it on any PDF

 NEW
📄

AI Resume & Cover Letter

Turn rough notes into polished bullets or a letter
🚧

More coming soon

About UserToolbox

UserToolbox is a free collection of browser-based tools built for content creators, indie developers, and cross-border sellers. Every tool runs entirely in your browser — no backend, no data uploads, no account required. Currently live: AI Text Purifier, QR Code Generator, Markdown Slides Maker, Word & Character Counter, Text Diff Checker, Code to Image, PDF Tools, IP Lookup, Image Tools, Unit Converter, Password Generator, Age Calculator, Pomodoro Timer, Percentage Calculator, and HS Code Tariff Lookup — with more shipping regularly.