Last updated
Create secure passwords with custom length and symbols.
Quick answer: Password Generator
A strong password uses enough length and randomness that guessing is impractical. Length usually matters more than swapping letters for symbols in a short password.
Example: A 16-character random password with letters, numbers, and symbols is far stronger than an 8-character dictionary word with one symbol.
Calculations follow the documented formula on this page; rounding and input units can change the last digit—treat outputs as educational estimates unless you reconcile with source systems.
* This is an estimate. Actual amounts may vary slightly based on input assumptions.
Entropy scales with length faster than swapping `!` for `i`. Pair generated passwords with a manager - typing 24 random chars is a hobby nobody needs.
Create secure passwords with custom length and symbols.
Inputs on this page: Length, Include Symbols. Assumptions stay visible so you can reproduce the figure elsewhere.
Long-form walkthroughs that pair well with this calculator. When you need narrative context beyond the live fields, start here and return to the tool to plug in your own numbers.
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Read guide →IT administrators, security teams, developers, and individuals use password generators when replacing weak or reused credentials. The safest workflow is to generate a unique random password for every account and store it in a password manager.
Continue in the Utility category hub, the Utility tools collection, or the glossary. Related calculators in this session: Username Generator, Random Name Generator, Word Counter, Character Counter, Case Converter, Time Zone Converter.
The Formula
The result is calculated using standard industry formulas and validated input ranges.| This tool | The result is calculated using standard industry formulas and validated input ranges. |
|---|---|
| Related intent: password generator | See paired tools for password generator-each page documents its own core relationship next to the live form. |
Core relationship for Password Generator:
The result is calculated using standard industry formulas and validated input ranges.
Worked check: 16 chars from upper/lower/digits/symbols might look like `K9#mQx2$vLpR4nZ!` - roughly 95^16 possibilities before discounting patterns.
Keep the same assumptions and open a neighbor calculator when your question branches: Username Generator, Random Name Generator, Word Counter, Character Counter. Each page documents its own formula beside the fields.
Learning links: Methodology · Editorial policy · Glossary
A 16-character random password with letters, numbers, and symbols is far stronger than an 8-character dictionary word with one symbol.
Re-enter the same numbers in the calculator above to confirm the page math matches the interactive result.
IT administrators, security teams, developers, and individuals use password generators when replacing weak or reused credentials. The safest workflow is to generate a unique random password for every account and store it in a password manager.
Instant response
Run Password Generator in the browser and read the breakdown beside the form.
Transparent formula
The formula and worked example on this page match what the calculator uses.
Privacy friendly
No account required; inputs stay in your session unless you choose to share them.
Cross-device ready
Layout works on mobile, tablet, and desktop for the same field labels.
Official references for context. Calculator outputs are planning estimates—confirm material decisions with the primary authority or a qualified professional. See our methodology and editorial policy.
Reviewed July 18, 2026 · Content stamp 2026-07-18
Click a question to expand the answer.
Yes, the Password Generator is completely free with no hidden limits. For Password Generator, keep the inputs you used beside the result so the number can be checked later. The documented formula is The result is calculated using standard industry formulas and validated input ranges., and small changes to rates, rounding, dates, tax rules, regional assumptions, or percentage bases can change the final password generator result. Treat the output as a planning reference and confirm high-stakes decisions against official guidance or source systems.
Yes. All tools are optimized for desktop, tablet, and mobile devices. For Password Generator, keep the inputs you used beside the result so the number can be checked later. The documented formula is The result is calculated using standard industry formulas and validated input ranges., and small changes to rates, rounding, dates, tax rules, regional assumptions, or percentage bases can change the final password generator result. Treat the output as a planning reference and confirm high-stakes decisions against official guidance or source systems.
Random characters (length + charset) that humans won’t guess and scripts won’t brute cheaply. For Password Generator, keep the inputs you used beside the result so the number can be checked later. The documented formula is The result is calculated using standard industry formulas and validated input ranges., and small changes to rates, rounding, dates, tax rules, regional assumptions, or percentage bases can change the final password generator result. Treat the output as a planning reference and confirm high-stakes decisions against official guidance or source systems.
16 chars from upper/lower/digits/symbols might look like `K9#mQx2$vLpR4nZ!` - roughly 95^16 possibilities before discounting patterns. For Password Generator, keep the inputs you used beside the result so the number can be checked later. The documented formula is The result is calculated using standard industry formulas and validated input ranges., and small changes to rates, rounding, dates, tax rules, regional assumptions, or percentage bases can change the final password generator result. Treat the output as a planning reference and confirm high-stakes decisions against official guidance or source systems.
Websites that cap at 12 characters are stuck in 2009 - avoid reusing there. Passphrases beat short gibberish for memorability if you must hand-type. Rotate after breaches, not on a calendar - unless policy forces it. For Password Generator, keep the inputs you used beside the result so the number can be checked later. The documented formula is The result is calculated using standard industry formulas and validated input ranges., and small changes to rates, rounding, dates, tax rules, regional assumptions, or percentage bases can change the final password generator result. Treat the output as a planning reference and confirm high-stakes decisions against official guidance or source systems.
No. Use it as a transparent planning check, then verify critical outcomes in your own systems or with a qualified professional when stakes are high. For Password Generator, keep the inputs you used beside the result so the number can be checked later. The documented formula is The result is calculated using standard industry formulas and validated input ranges., and small changes to rates, rounding, dates, tax rules, regional assumptions, or percentage bases can change the final password generator result. Treat the output as a planning reference and confirm high-stakes decisions against official guidance or source systems.
Compare units, rounding, compounding, and tax basis side by side. This page documents: The result is calculated using standard industry formulas and validated input ranges. For Password Generator, keep the inputs you used beside the result so the number can be checked later. The documented formula is The result is calculated using standard industry formulas and validated input ranges., and small changes to rates, rounding, dates, tax rules, regional assumptions, or percentage bases can change the final password generator result. Treat the output as a planning reference and confirm high-stakes decisions against official guidance or source systems.
Entropy scales with length faster than swapping `!` for `i`. Pair generated passwords with a manager - typing 24 random chars is a hobby nobody needs. Formula reference: The result is calculated using standard industry formulas and validated input ranges. For Password Generator, keep the inputs you used beside the result so the number can be checked later. The documented formula is The result is calculated using standard industry formulas and validated input ranges., and small changes to rates, rounding, dates, tax rules, regional assumptions, or percentage bases can change the final password generator result. Treat the output as a planning reference and confirm high-stakes decisions against official guidance or source systems.
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Reviewed by Toollabz Editorial
Product editor | Last reviewed July 18, 2026
See methodology and editorial policy.