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Utilities Tools
General-purpose developer utilities: build strong passwords with entropy meters, generate secure random numbers, pick random items from a list, diff files side-by-side, generate placeholder images, verify checksums, inspect keycodes, and create mock data.
8 tools
All Utilities Tools
Password Generator
Strong passwords with entropy meter.
Random Number Generator
Secure random numbers, ranges and picks.
Random Picker
Pick random items from any list.
Diff Checker
Side-by-side file and text diff.
Placeholder Image Generator
Generate placeholder images locally.
Checksum Verifier
Verify file integrity against a hash.
Keycode Info
Press any key to see its codes.
Mock Data Generator
Generate fake names, emails, addresses and numbers.
About Utilities Tools
General-purpose developer utilities: build strong passwords with entropy meters, generate secure random numbers, pick random items from a list, diff files side-by-side, generate placeholder images, verify checksums, inspect keycodes, and create mock data. All utilities tools on TryDevTools run entirely in your browser — no data is sent to any server, and no account is required.