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All tools
Browse free online tools, organized by category.
DocumentsConvert a PDF to Excel and other text documents into a spreadsheet.4 tools
CalculatorsFree calculators for pay, costs, and a car budget.5 tools
BusinessCreate an invoice, estimate, or quote and download a basic PDF.3 tools
TechnologyDeveloper tools for formatting, encoding, and lookups.22 tools
HealthHealth calculators for BMI, calories, and a target heart rate.3 tools
FinancialFinancial calculators for SIP, mutual funds, retirement, and EMI.4 tools
Documents
Convert a PDF to Excel and other text documents into a spreadsheet.
Bank Statement to ExcelUpload a PDF bank statement, preview the transactions, and download a spreadsheet.
Invoice PDF to ExcelExtract invoice lines from a text PDF and preview the calculated line totals.
PDF to ExcelDetect rows in a text PDF and preview them before you download a spreadsheet.
Receipt to ExcelRead the merchant, tax, and total from a text PDF receipt and preview the fields.
Calculators
Free calculators for pay, costs, and a car budget.
Break-Even CalculatorFind how many units you need to sell before fixed and variable costs are covered.
Car Affordability CalculatorEstimate a monthly car payment and a purchase price from your income, debts, and loan terms.
Overtime CalculatorEstimate overtime pay from your hourly rate, hours worked, and overtime multiplier.
Paycheck CalculatorEstimate take-home pay from your hourly rate or salary, your state, and 2026 federal and state income tax.
Profit Margin CalculatorFind profit, margin, and markup from a selling price and a cost.
Business
Create an invoice, estimate, or quote and download a basic PDF.
Technology
Developer tools for formatting, encoding, and lookups.
Base64 DecoderDecode Base64 into UTF-8 text and reject values with bad characters or padding.
Base64 EncoderEncode text as Base64, including Unicode. This is encoding, not encryption.
CIDR CalculatorFind the network, broadcast, mask, and usable range for an IPv4 CIDR block.
Cron GeneratorBuild a five-field cron expression and read a plain-language description.
CSS FormatterFormat CSS with Prettier. The stylesheet is not applied to this site.
Hash GeneratorHash text with SHA-256, SHA-384, SHA-512, or legacy SHA-1. A hash is not encryption.
HTML FormatterFormat HTML with Prettier. The markup is not rendered or executed.
HTTP Status CodesLook up common HTTP status codes, what they mean, and what to do next.
JavaScript FormatterFormat JavaScript with Prettier. The code is never executed.
JSON FormatterFormat, validate, and minify JSON in the browser. Nothing you paste is uploaded.
JSON to YAMLConvert valid JSON into YAML with a maintained parser. Invalid JSON is rejected.
JSON ValidatorCheck whether text is valid JSON and see a readable error when it is not.
JWT DecoderView a JWT header, payload, and signature locally. This does not verify the signature.
Regex TesterTest a JavaScript regular expression against a sample and see each match.
SQL FormatterFormat a SQL statement for reading. It is not executed against a database.
Unix TimestampConvert Unix seconds or milliseconds to local time, UTC, and ISO 8601.
URL DecoderDecode a percent-encoded URL component and explain values that are not valid.
URL EncoderEncode or decode a URL component with encodeURIComponent and decodeURIComponent.
User-Agent ParserRead a browser, OS, device, and engine from a User-Agent string. Detection is imperfect.
UUID GeneratorGenerate version 4 UUIDs with the browser's cryptographic random source.
XML FormatterFormat or minify well-formed XML and report a missing end tag.
YAML to JSONConvert YAML into formatted JSON. Indentation and colon errors are reported.
Health
Health calculators for BMI, calories, and a target heart rate.
BMI CalculatorEstimate body mass index from height and weight in metric or US units, and see the standard WHO category. This is a screening estimate, not a diagnosis.
Daily Calorie CalculatorEstimate daily maintenance calories from age, sex, height, weight, and activity using the Mifflin–St Jeor equation. An estimate, not a meal plan or medical advice.
Target Heart Rate CalculatorEstimate a maximum heart rate as 220 minus age, then a moderate and vigorous training zone. This is a training estimate, not medical advice.
Financial
Financial calculators for SIP, mutual funds, retirement, and EMI.
EMI CalculatorEstimate a monthly loan payment from the amount, annual interest, and years you enter.
Mutual Fund CalculatorEstimate the future value of a lumpsum from the amount, annual return, and years you enter.
Retirement CalculatorProject a retirement corpus from your age, savings, monthly contribution, and the return you enter.
SIP CalculatorEstimate the future value of a monthly investment from the annual return and years you enter.