Free browser-based tools
Privacy & Security Tools
Local-first password, passphrase, hash, UUID, random number, JWT, redaction, and checksum helpers. Built for developers, privacy-conscious users, support teams, and technical operators.
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Open a tool directly. Each page includes inputs, examples, notes, and copy-ready results.
Generators
Password Generator
Generate random passwords with length and character options. GeneratorsPassphrase Generator
Generate memorable passphrases from a local word list. HashingSHA-256 Hash Generator
Generate SHA-256 hash from text locally. HashingFile Hash Checker
Generate SHA-256 hash for an uploaded file in the browser. GeneratorsRandom Number Generator
Generate cryptographically strong random numbers in a range. GeneratorsUUID Generator
Generate UUID v4 identifiers. InspectionJWT Decoder
Decode JWT header and payload locally without verifying signatures. RedactionSecret Redactor
Redact emails, phone numbers, tokens, and long secrets from text. InspectionPassword Entropy Estimator
Estimate password search space and rough entropy. HashingSimple Checksum Calculator
Calculate a simple additive checksum for text. InspectionURL Safety Notes
Parse a URL and show host, protocol, and suspicious signals. InspectionBase64 Inspector
Encode, decode, and inspect Base64 text. GeneratorsStrong Password Generator
Generate a strong random password with configurable length and character sets. GeneratorsMemorable Passphrase Generator
Generate a random word-based passphrase with a custom separator. GeneratorsRandom Integer Generator
Generate random integers within a selected range using browser crypto APIs. GeneratorsUUID List Generator
Generate one or more browser-created UUID values for testing and records. HashingText SHA-256 Generator
Calculate a SHA-256 hash for text in the browser. InspectionJWT Payload Decoder
Decode JWT header and payload locally without verifying the signature. RedactionSecret Text Redactor
Redact emails, phone numbers, tokens, and long secret-like values from text. InspectionBase64 Encoder Decoder
Encode text to Base64 and attempt to decode Base64 input locally. GeneratorsAdvanced Password Generator
Generate random passwords with length and character options. Use this focused variant for advanced workflows and long-tail search scenarios. GeneratorsQuick Passphrase Generator
Generate memorable passphrases from a local word list. Use this focused variant for quick workflows and long-tail search scenarios. HashingPlanning SHA-256 Hash Generator
Generate SHA-256 hash from text locally. Use this focused variant for planning workflows and long-tail search scenarios. HashingMobile File Hash Checker
Generate SHA-256 hash for an uploaded file in the browser. Use this focused variant for mobile workflows and long-tail search scenarios. GeneratorsSmall Business Random Number Generator
Generate cryptographically strong random numbers in a range. Use this focused variant for small business workflows and long-tail search scenarios. GeneratorsCreator UUID Generator
Generate UUID v4 identifiers. Use this focused variant for creator workflows and long-tail search scenarios. InspectionStudent JWT Decoder
Decode JWT header and payload locally without verifying signatures. Use this focused variant for student workflows and long-tail search scenarios. RedactionTeam Secret Redactor
Redact emails, phone numbers, tokens, and long secrets from text. Use this focused variant for team workflows and long-tail search scenarios. InspectionAudit Password Entropy Estimator
Estimate password search space and rough entropy. Use this focused variant for audit workflows and long-tail search scenarios. HashingChecklist Simple Checksum Calculator
Calculate a simple additive checksum for text. Use this focused variant for checklist workflows and long-tail search scenarios. InspectionCampaign URL Safety Notes
Parse a URL and show host, protocol, and suspicious signals. Use this focused variant for campaign workflows and long-tail search scenarios. InspectionBatch Base64 Inspector
Encode, decode, and inspect Base64 text. Use this focused variant for batch workflows and long-tail search scenarios.Generators
Generators
Focused tools for common privacy & security tools workflows.
Generators
Password Generator
Generate random passwords with length and character options. GeneratorsPassphrase Generator
Generate memorable passphrases from a local word list. GeneratorsRandom Number Generator
Generate cryptographically strong random numbers in a range. GeneratorsUUID Generator
Generate UUID v4 identifiers. GeneratorsStrong Password Generator
Generate a strong random password with configurable length and character sets. GeneratorsMemorable Passphrase Generator
Generate a random word-based passphrase with a custom separator. GeneratorsRandom Integer Generator
Generate random integers within a selected range using browser crypto APIs. GeneratorsUUID List Generator
Generate one or more browser-created UUID values for testing and records. GeneratorsAdvanced Password Generator
Generate random passwords with length and character options. Use this focused variant for advanced workflows and long-tail search scenarios. GeneratorsQuick Passphrase Generator
Generate memorable passphrases from a local word list. Use this focused variant for quick workflows and long-tail search scenarios. GeneratorsSmall Business Random Number Generator
Generate cryptographically strong random numbers in a range. Use this focused variant for small business workflows and long-tail search scenarios. GeneratorsCreator UUID Generator
Generate UUID v4 identifiers. Use this focused variant for creator workflows and long-tail search scenarios.Hashing
Hashing
Focused tools for common privacy & security tools workflows.
Hashing
SHA-256 Hash Generator
Generate SHA-256 hash from text locally. HashingFile Hash Checker
Generate SHA-256 hash for an uploaded file in the browser. HashingSimple Checksum Calculator
Calculate a simple additive checksum for text. HashingText SHA-256 Generator
Calculate a SHA-256 hash for text in the browser. HashingPlanning SHA-256 Hash Generator
Generate SHA-256 hash from text locally. Use this focused variant for planning workflows and long-tail search scenarios. HashingMobile File Hash Checker
Generate SHA-256 hash for an uploaded file in the browser. Use this focused variant for mobile workflows and long-tail search scenarios. HashingChecklist Simple Checksum Calculator
Calculate a simple additive checksum for text. Use this focused variant for checklist workflows and long-tail search scenarios.Inspection
Inspection
Focused tools for common privacy & security tools workflows.
Inspection
JWT Decoder
Decode JWT header and payload locally without verifying signatures. InspectionPassword Entropy Estimator
Estimate password search space and rough entropy. InspectionURL Safety Notes
Parse a URL and show host, protocol, and suspicious signals. InspectionBase64 Inspector
Encode, decode, and inspect Base64 text. InspectionJWT Payload Decoder
Decode JWT header and payload locally without verifying the signature. InspectionBase64 Encoder Decoder
Encode text to Base64 and attempt to decode Base64 input locally. InspectionStudent JWT Decoder
Decode JWT header and payload locally without verifying signatures. Use this focused variant for student workflows and long-tail search scenarios. InspectionAudit Password Entropy Estimator
Estimate password search space and rough entropy. Use this focused variant for audit workflows and long-tail search scenarios. InspectionCampaign URL Safety Notes
Parse a URL and show host, protocol, and suspicious signals. Use this focused variant for campaign workflows and long-tail search scenarios. InspectionBatch Base64 Inspector
Encode, decode, and inspect Base64 text. Use this focused variant for batch workflows and long-tail search scenarios.Redaction
Redaction
Focused tools for common privacy & security tools workflows.
Redaction
Secret Redactor
Redact emails, phone numbers, tokens, and long secrets from text. RedactionSecret Text Redactor
Redact emails, phone numbers, tokens, and long secret-like values from text. RedactionTeam Secret Redactor
Redact emails, phone numbers, tokens, and long secrets from text. Use this focused variant for team workflows and long-tail search scenarios.Guides
Use the tools well
Short guides for practical workflows and review habits.
Guide