Ling.Tools

LING.TOOLS / ABOUT

About Ling.Tools

A small, considered home for the little tasks that interrupt a good flow.

Built for everyday development

Ling.Tools brings common generators, encoders, converters and testers into one searchable space. Open a tool, do the task, and move on. You can use every tool without creating an account.

The site is made with Svelte 5 and SvelteKit. Every page is generated as static HTML during the build and served through Azure Static Web Apps. The tools run in your browser, including when the installed site is offline after its assets have been cached.

Tools with honest boundaries

Random identifiers and passwords use the browser cryptographic random source. JWT signatures can be checked when you supply a key, but issuer, audience and claims still need your review. MD5 and SHA-1 exist for legacy compatibility, not new security designs. Cron preview follows the implemented parser and should be compared against the scheduler you deploy.

Each tool page explains its inputs, gives an example and shows related tools. If you notice a problem or have a useful tool idea, open an issue in the public repository.

Open source

The source is published at github.com/ling921/ling-tools under the MIT license. The version and short Git commit shown in the footer help identify the precise build you are viewing.

Back to all tools
Random stringGenerate random strings with selected character groups, a custom alphabet and an option to exclude ambiguous characters.Random hexadecimalCreate random hexadecimal strings in uppercase or lowercase, with adjustable length and batch size.Random numberPick random integers or decimal numbers within a chosen range, with endpoint controls, precision and batch generation.UUID generatorGenerate cryptographically random UUID v4 identifiers in bulk, with uppercase and hyphen formatting options.Password generatorGenerate passwords locally with cryptographic randomness, required character groups, exclusions and batch output.ULID & NanoIDCreate time-sortable ULIDs or compact NanoIDs, including custom NanoID length and alphabet options.Lorem IpsumGenerate Lorem Ipsum placeholder text by word, sentence or paragraph for layout and typography testing.JSON formatterValidate, pretty-print or minify JSON, optionally sort object keys and locate syntax errors in pasted data.YAML ↔ JSONConvert YAML configuration to JSON or JSON to readable YAML using safe parsing without executable custom tags.Base64 / Base64URLEncode Unicode text as Base64 or decode it back to UTF-8, with a URL-safe alphabet for tokens and query values.URL encoderPercent-encode or decode a complete URI or a single URL component, including Unicode and reserved characters.HTML entitiesEscape text as HTML entities or decode entity references, with decoded markup displayed safely as plain text.
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