All Tools
Browse every free tool on DigitalQuiver Tools, grouped by category, or search for what you need below.
Image Tools (4 tools)
Image CompressorShrink an image's file size right in your browser, before you download it.
Image ResizerResize an image to exact dimensions, with optional locked aspect ratio.
Image Format ConverterConvert an image between PNG, JPEG and WebP formats.
Image RotatorRotate or flip an image in your browser and download the result.
PDF Tools (8 tools)
PDF MergeCombine multiple PDF files into one, in the order you choose.
PDF SplitExtract a page range from a PDF into a brand new file.
PDF CompressOptimize a PDF's internal structure to reduce its file size.
Rotate PDFRotate every page in a PDF by 90, 180 or 270 degrees.
Reorder PDF PagesDrag and drop to rearrange the pages of a PDF.
JPG to PDFCombine one or more images into a single PDF file.
PDF to JPGRender each page of a PDF as a downloadable JPG image.
Protect PDFAdd a password to a PDF so only people who know it can open it.
Text Tools (5 tools)
Word CounterCount words, characters, sentences and paragraphs instantly.
Character CounterLive character count with handy social media limit presets.
Remove Extra SpacesClean up messy text by collapsing extra spaces and blank lines.
Text SorterSort lines of text alphabetically, A-Z or Z-A, in one click.
Duplicate Line RemoverStrip out repeated lines while keeping the original order.
Developer Tools (9 tools)
JSON FormatterFormat, validate and minify JSON, with clear error messages.
YAML FormatterFormat YAML, validate it, and convert it to JSON.
HTML FormatterBeautify messy or minified HTML with proper indentation.
CSS FormatterBeautify minified or messy CSS with clean indentation.
JavaScript FormatterBeautify minified or messy JavaScript code instantly.
SQL FormatterFormat SQL queries with proper line breaks and indentation.
XML FormatterFormat and validate XML with clean, nested indentation.
Regex TesterTest a regular expression against sample text with live match highlighting.
Cron Expression GeneratorBuild a cron expression, or paste one in to see it explained in plain English.
Calculators (8 tools)
Age CalculatorFind your exact age in years, months and days.
Percentage CalculatorThree common percentage calculations in one simple tool.
BMI CalculatorCalculate Body Mass Index using metric or imperial units.
Discount CalculatorWork out sale prices, savings and optional tax in one step.
Loan Payment CalculatorEstimate monthly payments and total interest on any loan.
Simple Interest CalculatorCalculate simple interest and total amount in seconds.
Compound Interest CalculatorSee how your money grows with compounding over time.
Tip CalculatorSplit the bill and calculate the tip in seconds.
Generators (5 tools)
Password GeneratorCreate strong, random passwords using your browser's secure randomness.
UUID GeneratorGenerate one or many version-4 UUIDs / GUIDs instantly.
QR Code GeneratorTurn any text, link or Wi-Fi detail into a downloadable QR code.
Lorem Ipsum GeneratorGenerate placeholder Lorem Ipsum text by paragraph, sentence or word.
Random Number GeneratorGenerate random whole or decimal numbers within any range.
SEO Tools (3 tools)
Amazon Seller Tools (9 tools) See all Amazon tools & guides →
FBA Profit & ROI CalculatorWork out your real profit, margin and ROI on any Amazon FBA product.
FBA Dimensional Weight CalculatorCalculate dimensional weight from package dimensions using Amazon's divisor.
PPC ACOS/ROAS CalculatorCalculate ACOS, ROAS and your break-even ad spend for Amazon PPC.
Profit Margin CalculatorCalculate profit, margin % and markup % from cost and selling price.
KDP Royalty CalculatorEstimate your Kindle eBook or paperback royalty using Amazon's published formulas.
KDP Spine Width CalculatorCalculate paperback spine width from page count and paper type.
Amazon Title/Bullet Character CounterLive character counts for your Amazon listing title and bullet points.
ASIN ExtractorExtract ASINs from any Amazon product URL, one per line.
UPC/EAN Barcode Check Digit ValidatorValidate or calculate the check digit for UPC-A and EAN-13 barcodes.
Converters (6 tools)
Binary ConverterConvert binary numbers to decimal, hex and octal instantly, in either direction.
Hex ConverterConvert hexadecimal values to decimal, binary and octal instantly, in either direction.
Decimal ConverterConvert an everyday decimal number to binary, hex and octal instantly, in either direction.
Octal ConverterConvert an octal number to decimal, binary and hex instantly, in either direction.
ASCII ConverterConvert text to ASCII codes (decimal, hex or binary) and back.
Morse Code TranslatorTranslate text to Morse code and back, both ways.
Security & Hash (5 tools)
JWT DecoderDecode a JSON Web Token's header and payload instantly.
Bcrypt Hash GeneratorHash text with bcrypt, and verify text against an existing hash.
SHA-256 Hash GeneratorGenerate a SHA-256 hash of any text instantly.
MD5 Hash GeneratorGenerate an MD5 checksum of any text instantly.
HMAC GeneratorGenerate an HMAC signature from a message and secret key.
Encode / Decode (2 tools)
Misc Tools (1 tools)
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