Online Tools HarborPasswords & Security
Generate strong passwords and passphrases, check password strength and hash with bcrypt, all locally. 8 free tools, no sign-up.
Password GeneratorGenerate strong, random passwords in your browser using a secure random source.Password Strength CheckerCheck how strong a password is, its entropy and estimated crack time. Runs 100% in your browser; nothing is sent.Email Scam CheckerNewIs this email a scam? Paste a suspicious email to check the real sender, fake links, lookalike domains, domain age and classic scam signs, with a clear risk score.Passphrase GeneratorGenerate memorable, strong passphrases from random words (diceware style).PIN GeneratorGenerate random numeric PIN codes (4, 6 or more digits).API Key & Token GeneratorGenerate secure random API keys, secrets and tokens in hex, Base64 or Base64URL.Suspicious Link CheckerNewCheck a link from an email, SMS or message before you click it: fake brand domains, lookalike letters, hidden destinations, risky domain endings and domain age.Bcrypt Hash Generator & CheckerHash a password with bcrypt or check a password against an existing bcrypt hash. Runs locally.
Other categories
AI ToolsFree AI writing and productivity tools: paraphrase, summarize, fix grammar, write emails and more.Text ToolsClean up text: remove whitespace and line breaks, find and replace, convert HTML to text and more.ExtractorsPull emails, URLs, numbers, sitemap links or any regex match out of a block of text.Line ToolsSort, dedupe, number, shuffle, filter and join lines of text.Case ConvertersConvert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case and more.Developer ToolsFormat JSON, XML and CSS, view HTML, compare text, decode JWTs and convert timestamps.Encoders & DecodersBase64, URL, HTML entities, binary, hex, Morse code and hash generators.GeneratorsGenerate passwords, UUIDs, random numbers, Lorem Ipsum, QR codes and random topics.SEO & Web ToolsSitemap URL extractor, meta tag generator, slug generator, UTM builder and keyword density checker.PDF ToolsMerge, split, rotate and convert PDF files privately in your browser. Files never leave your device.ConvertersUnit converters (cm to inches, kg to lbs, °C to °F…), number bases, Roman numerals and numbers to words.Business & LegalCreate invoices, quotes and receipts as PDF, and generate a privacy policy, shipping policy, return & refund policy, terms and conditions, cookie policy and disclaimer for your website or online store.Business CalculatorsFree business, marketing and e-commerce calculators: break-even, ROAS, CPA, CPC, CPM, ROI, profit margin, markup, conversion rate, LTV, CAC, VAT and more.Image ToolsConvert, compress and resize images in your browser. Nothing is uploaded.Video ToolsCompress, trim, convert and mute videos, make GIFs, extract MP3 audio, detect scenes and download YouTube thumbnails, privately in your browser.