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My BDK Tools Your saved tools and the ones you used recently, in one place. This list lives in this browser on this device.
Clean spreadsheets: remove duplicates and empty rows, trim spaces, find and replace, reorder columns, compare two files.
Convert Excel to CSV and CSV to Excel. Pick the worksheet, separator and UTF-8 marker.
Stack several Excel or CSV files into one table. Columns are matched by name and mismatches are reported.
Turn a spreadsheet into a searchable, editable mini app with filters, summary cards and local storage.
Search by problem, open a formula, follow a lesson or download a fictional sample file. Everything runs in your browser.
Searchable formulas with plain-English explanations, examples and a practice box that calculates your formula.
Step-by-step lessons for HR, finance, sales, education, admin, marketing, operations and personal budgets, with sample files.
Make A4 photo collages, set panel sizes in centimetres, edit images and print or save as PDF.
Resize, convert and compress images by pixels, centimetres at a print resolution, or percent.
Create quotations, invoices, delivery notes, GRNs, incident reports and stock transfer notes with a live A4 preview.
Design barcode, QR, price and product labels at true size, import product lists and print A4 sheets or single labels.
Make EAN-13, EAN-8 and Code 128 barcodes with check digit validation. Download SVG or PNG, or print a sheet.
Create QR codes for links, text, Wi-Fi, email and phone numbers with custom colours. Download SVG or PNG.
Count stock against an imported master by scanning or typing codes, then see shortages, excess and unlisted items.
Draw walls, rooms, doors, windows and furniture in 2D and explore the same single-storey plan in 3D. For concept planning, not construction drawings. Saves privately in your browser.
Build palettes, check text contrast and pick the main colours from an image.
Estimate floor area, wall area, paint and floor tiles for a room in metres or feet.
Compare purchase orders, invoices and goods received lists: missing items, extra items, quantity and price differences.
Search SKU, item code and product names instantly in a product list that stays on your device.
Interactive demo with fictional data: edit counted quantities, filter variances and import or export CSV.
Interactive demo with fictional data: build a printable stock report with editable rows, PDF and CSV export.
VAT, discount, percentage change, margin and markup calculators with instant results.
Days between dates, working days, add or subtract time, and age.
Remove duplicate and blank lines, trim spaces, sort, change case, join or split lists.
