01Payment QR generator
Create a downloadable QR code with your address and an optional amount.
Open tool →02Address format checker
Check the format and checksum for your selected asset and network.
Open tool →03Received amount calculator
Work out the transfer amount from the fees you enter.
Open tool →04Currency converter
Convert fiat and cryptocurrency using stored reference rates.
Open tool →05QR content reader
Decode a QR image and inspect its original text or payment URI.
Open tool →06Browser wallet generator
Create a new wallet locally, with an optional single-file offline version.
Open tool →07Profit and break-even ROAS calculator
Estimate profit per order, affordable acquisition cost and break-even advertising return.
Open tool →08Payment cost calculator
Compare two payment fee plans using your own rates and order volume.
Open tool →09Volumetric weight calculator
Compare actual and volumetric weight for identical shipping cartons.
Open tool →10Promotion profit calculator
Compare revenue and profit before and after a discount, coupon or buy-and-get offer.
Open tool →11Batch product image processor
Resize, crop, compress and convert product images in your browser.
Open tool →12SKU and warehouse label generator
Create product and warehouse location labels with barcodes or QR codes, then print from your browser.
Open tool →13Blockchain transfer checker
Check a public transaction against a receiving address and expected amount.
Open tool →14Wallet balance and recent activity
Look up a public wallet balance and up to five recent activities without connecting a wallet.
Open tool →15Token unit converter
Convert exact decimal amounts to and from blockchain base units.
Open tool →16EVM transaction data decoder
Decode common transfer and approval transaction inputs locally.
Open tool →17Order and receipt CSV reconciler
Compare exported orders and receipts to find missing, duplicate and different amounts.
Open tool →18Bulk UTM link builder
Build and inspect campaign tracking links in batches.
Open tool →19Product feed checker
Check CSV or XML product data for missing fields, duplicate IDs and basic format issues.
Open tool →20Product structured data generator
Create Product JSON-LD from the product details you enter.
Open tool →21SEO title and description preview
Preview search-style titles and descriptions and inspect a batch of pages.
Open tool →22Hreflang generator and checker
Generate reciprocal language links and check your declared language variants.
Open tool →23Sitemap generator and checker
Generate a URL sitemap or inspect an existing URL sitemap XML file.
Open tool →24Website redirect mapping assistant
Compare old and new URL lists to prepare a migration mapping file.
Open tool →25Product description HTML cleaner
Remove unwanted markup and formatting from copied product descriptions.
Open tool →26Product size chart generator
Build a size table with centimetre and inch measurements.
Open tool →27Product barcode reader and checksum checker
Read common barcode images and check EAN, UPC or GTIN check digits.
Open tool →28Inventory replenishment calculator
Estimate reorder points, safety stock and purchase quantities.
Open tool →29Picking and packing list generator
Turn order CSV rows into a combined picking list and individual packing slips.
Open tool →30Commercial and proforma invoice generator
Create a printable invoice from your seller, buyer and item details.
Open tool →31Product image text extractor
Extract English and Simplified Chinese text from an image locally.
Open tool →32Campaign and support time zone converter
Convert an event time between markets and inspect daylight-saving changes.
Open tool →33Return and refund cost calculator
Calculate the profit impact of refunds, return shipping and recovered inventory.
Open tool →34Procurement landed cost calculator
Allocate freight, duty, storage and other costs across purchased products.
Open tool →35Supplier quote comparison
Compare quantity tiers, minimum orders, total costs and supplier lead times.
Open tool →36Inventory ABC analysis
Rank products by consumption value and identify inventory priorities.
Open tool →37Carton packing estimator
Compare six uniform product orientations inside a rectangular carton.
Open tool →38Purchase order generator
Prepare a printable purchase order with supplier, quantities and delivery requirements.
Open tool →39Return authorization generator
Create an RMA reference and printable return packing slip for warehouse matching.
Open tool →40Wholesale tier quotation generator
Build a printable quantity-based price list with validity and commercial terms.
Open tool →41Customer lifetime value calculator
Estimate customer contribution, acquisition budget and profit over a chosen retention period.
Open tool →42Subscription revenue and churn forecast
Project subscribers, monthly recurring revenue and annualized run rate.
Open tool →43Business cash flow planner
Forecast cash balances by period and spot projected funding gaps.
Open tool →44A/B conversion test analyzer
Compare two conversion rates with a two-sided test and confidence interval.
Open tool →45Duplicate order checker
Find repeated order IDs and similar email, amount and time combinations in an export.
Open tool →46CSV splitter and merger
Split CSV by row count or a field, or merge files with identical headers.
Open tool →47Product data cleaner
Preview whitespace, case and duplicate-row changes before exporting cleaned data.
Open tool →48robots.txt rule checker
Test pasted crawler rules against URLs without fetching your website.
Open tool →49Webhook HMAC signature checker
Compare a supplied HMAC signature with the exact UTF-8 request body locally.
Open tool →50Blockchain fee unit calculator
Estimate Bitcoin or Ethereum transaction fees from manually entered size and fee rates.
Open tool →