Browserside Tools

24

Fast. Free. Runs in your browser.

Browserside Tools

24 utilities across text, developer, network, security and calculators. Every one of them computes on your own machine — nothing you type is uploaded.

Categories

  1. Text Tools Count, transform, clean, and sort text instantly on desktop or mobile. 5
  2. Developer Tools Format data, inspect patterns, and unblock daily developer workflows fast. 5
  3. Network Tools Check DNS, email, and IP math without opening a terminal. 5
  4. Security Tools Generate secure passwords and inspect hashes without uploading anything. 4
  5. Calculators Run quick business and utility calculations with plain inputs and fast answers. 5

All tools

  1. Word Counter text Count words, characters, lines, and paragraphs in pasted text.
  2. Character Counter text Count characters with spaces, without spaces, and UTF-8 bytes.
  3. Line Counter text Count total lines, blank lines, and non-empty lines.
  4. Case Converter text Convert text to upper, lower, title, sentence, snake, kebab, camel, or pascal case.
  5. Text Sorter text Sort lines alphabetically, reverse them, and optionally remove duplicates.
  6. JSON Formatter developer Validate, prettify, and optionally sort JSON keys.
  7. YAML Formatter developer Parse and reformat YAML into a clean, readable structure.
  8. UUID Generator developer Generate one or many random UUID v4 values.
  9. Regex Tester developer Test a regular expression against sample text and inspect matches.
  10. Cron Parser developer Preview the next few run times for a cron expression.
  11. DNS Lookup network Look up common DNS records for a domain.
  12. MX Lookup network Check mail exchanger records for a domain.
  13. SPF Checker network Find SPF records and included domains for an email-sending domain.
  14. CIDR Calculator network Break down a CIDR block into network, mask, and usable host range.
  15. Subnet Calculator network Calculate subnet details from an IP address and mask.
  16. Password Generator security Generate secure random passwords with adjustable character sets.
  17. Password Entropy Checker security Estimate password entropy from length and character variety.
  18. SHA256 Generator security Generate a SHA256 hash for a string instantly.
  19. MD5 Generator security Generate an MD5 hash for quick legacy compatibility checks.
  20. Percentage Calculator calculators Find percentages, increases, and decreases without a spreadsheet.
  21. Margin Calculator calculators Calculate gross margin and markup from revenue and cost.
  22. Sales Tax Calculator calculators Calculate tax amount and total price from a subtotal and tax rate.
  23. ROI Calculator calculators Measure return on investment from cost and return value.
  24. Loan Calculator calculators Estimate monthly payment, total payment, and interest from a simple loan.