DAD free tools
Useful tools.
Less busywork.
Free browser-based tools for work, study, images, documents and everyday tasks. No account required.
Product Image Resizer
Create consistent product images with fit, crop or padding.
Open tool IMAGESImage Compressor
Reduce file size with a clear before-and-after comparison.
Open tool IMAGESJPG & PNG to WebP
Convert images to WebP, right here in your browser.
Open tool MARKETINGROAS Calculator
Compare advertising revenue with ad spend.
Open tool ECOMMERCEBreak-even ROAS Calculator
Find the advertising return needed to cover your stated variable costs.
Open tool MARKETINGAd Metrics Calculator
Calculate CPC, CPM, CTR and cost per conversion together.
Open tool ECOMMERCEProfit Margin Calculator
Compare profit margin and markup from your price and cost.
Open tool MARKETINGConversion Rate Calculator
Measure conversions against visitors or eligible interactions.
Open tool MARKETINGUTM Campaign URL Builder
Create consistently tagged campaign URLs.
Open tool SEO & CONTENTMeta Title & Description Preview
Draft metadata and preview an approximate search snippet.
Open tool SEO & CONTENTWord & Character Counter
Count words, characters, sentences and estimated reading time.
Open tool SEO & CONTENTURL Slug Generator
Turn a title into a readable URL slug, including Unicode text.
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More free tools for everyday work
Background Remover
Remove image backgrounds with AI. Download a transparent PNG or white-background JPG.
Open tool PRODUCTIVITYTime Card Calculator
Calculate weekly work hours, unpaid breaks and optional overtime. Export CSV or print a time card.
Open tool →PRODUCTIVITYGrade Calculator: Weighted Average & Final Exam
Calculate weighted grades and the final exam score you need. Supports percentage marks and German numeric grades with editable weights. Free and browser-based.
Open tool →DEVELOPERJSON Formatter, Validator & Minifier
Format, validate and minify JSON in your browser. Choose indentation, copy results or download a JSON file. No account or document upload required.
Open tool →SEO & CONTENTText Compare: Find Differences Between Two Texts
Compare two texts by line or word. Highlight additions and deletions locally in your browser, with no document upload or account required.
Open tool →DOCUMENTSSRT to VTT Converter & Subtitle Timing Shifter
Convert SRT to VTT or VTT to SRT and shift subtitle timing in your browser. Preview and download UTF-8 captions without uploading your file.
Open tool →IMAGESHEIC to JPG Converter: Free JPG & PNG Export
Convert supported HEIC and HEIF photos to JPG or PNG locally in your browser. Adjust JPG quality, preview images and download without uploading photos.
Open tool →MARKETINGFree QR Code Generator: Download PNG or SVG
Generate static QR codes for URLs or text in your browser. Download a PNG or SVG with a clear quiet zone. No account, tracking redirect or subscription.
Open tool →DOCUMENTSPDF Tools: Merge, Extract & Reorder Pages
Merge PDFs or extract and reorder selected pages locally in your browser. Create a downloadable PDF without uploading documents or creating an account.
Open tool →YOUR NEXT CHAPTER STARTS HERE
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