Melon Tools

QR & barcodes

Barcode Generator

Create EAN, Code 128, GS1-128, ITF-14 and DataMatrix barcodes with check digits and a readability check – single or in bulk, as SVG, PDF or A4 label sheets, no upload.

Open tool

Office & finance

Car Loan Calculator

Monthly payment, interest and repayment plan of your car financing – with down payment, balloon payment, term comparison and cash discount check. Or the term for your desired payment.

Open tool

Text

Color Text Studio

Color text with gradients, rainbow or alternating colors and copy it – for Word, Gmail, forums, Minecraft, Discord and HTML. With contrast check and image export.

Open tool

Office & finance

E-Invoice Viewer

Open an XRechnung (UBL, CII) or ZUGFeRD / Factur-X PDF and read it as a normal invoice – with arithmetic check, attachments, print and PDF. No upload.

Open tool

Office & finance

ETF Savings Plan Calculator

What your monthly savings grow into: final value with compound interest, costs, yearly increase and inflation – after German capital gains tax. Or the rate you need for your goal.

Open tool

New PDF

Fill PDF Form

Fill in form fields, tick boxes, pick options – or add free text, a cross and the date to PDFs without fields and save, no upload.

Open tool

Office & finance

Gross-Net Salary Calculator

German net pay 2026 to the cent per the official BMF wage tax procedure – every tax class, midi jobs, private insurance, company car and bonus. With net-to-gross, tax class comparison and pay rise.

Open tool

Music

Guitar Chord Editor

Create, edit, save and export guitar chord diagrams as SVG or PNG.

Open tool

Office & finance

IBAN Calculator

Calculate a German IBAN from bank code and account number – with bank name and BIC from the Bundesbank file. Or validate IBANs from over 90 countries, with typo suggestions and list check.

Open tool

Images

Image Workshop

Resize, compress to a target size in KB, crop and convert images – HEIC to JPG, WebP, AVIF. Many at once, with watermark and GPS removal, no upload.

Open tool

Office & finance

Income Tax Calculator

German income tax 2026, 2025 and 2024 per the official tariff – with income splitting, solidarity surcharge, church tax, child allowance check and refund estimate.

Open tool

Office & finance

Invoice Generator

Write invoices for free and save them as PDF – with an EPC QR code for banking-app payment, a mandatory-details check, VAT or small-business note. No sign-up, no upload.

Open tool

PDF

Job Application PDF

Order cover letter, CV and certificates (PDF or photo) and combine them into one application PDF – under 2, 3 or 5 MB, text stays text. No upload.

Open tool

PDF

Markdown to PDF

Write Markdown or open a .md file, typeset it with a live preview and save it as a PDF with real text, tables and links. No upload.

Open tool

PDF

Pages per Sheet

Put 2, 4, 6, 8, 9 or 16 PDF pages on one sheet – for slide handouts and saving paper. Sharp and searchable, no upload.

Open tool

Security

Password Generator

Create strong random passwords and memorable passphrases with a keyboard-safe mode, plus a local strength check – generated in your browser, nothing is sent or stored.

Open tool

PDF

PDF Booklet Studio

Turn any PDF into a print-ready booklet: pages are reordered and placed two-up for duplex printing, folding and stapling – no upload.

Open tool

PDF

PDF Metadata

View, edit or remove a PDF's author, title, software, dates and XMP history in one click – plus comment authors and attachments. No upload.

Open tool

PDF

PDF to Text

Extract the text from a PDF – without line breaks mid-sentence, hyphenation repaired. Copy or save as TXT, scans via OCR. No upload.

Open tool

PDF

PDF Workshop

Merge, compress and convert PDFs to JPG, reorder, rotate, delete and split pages, add page numbers and a watermark – on one workspace, no upload.

Open tool

QR & barcodes

QR Code Generator

Create QR codes for links, Wi-Fi, contacts and SEPA payments with logo, colors and frames – checked for readability, static and never expiring, no upload.

Open tool

PDF

Redact PDF

Mark or search names, addresses, IBANs or e-mails in a PDF and black them out for good – the text underneath is really removed. No upload.

Open tool

Office & finance

Rental Property Calculator

Work through a buy-to-let flat: purchase costs, financing, cash flow before and after tax, depreciation, return on equity, sale, stress test and maximum price.

Open tool

School & learning

Rule of Three Calculator

Rule of three with the solution step by step – direct, inverse and compound, with units and examples for percentages, recipes and word problems.

Open tool

PDF

Sign PDF

Draw, type or upload your signature, place it in the PDF, move and resize it and save – with date and text, no upload.

Open tool

PDF

Split PDF Pages in Half

Split scanned two-page spreads from books or booklets into single pages – left/right or top/bottom, with cover exception and booklet reordering. Lossless, no upload.

Open tool

School & learning

Syllable Script Generator

Turn German texts into syllable script – coloured syllables, syllable arcs or separators, letter groups and school fonts. Fix syllables with a click, export as PDF or Word or show on the board. No upload.

Open tool

Office & finance

VAT Calculator

Add or extract VAT at 19%, 7% or any rate – also for invoices with mixed rates, restaurant bills and cash discounts, with arithmetic in the field and a rate finder.

Open tool