25 tools. Fast. Private. No account required.
Useful online tools without the clutter.
Developer, text, image, and design utilities that do the work directly in your browser whenever possible.
Developer
12 toolsJSON FormatterFormat, validate, and minify JSON directly in your browser.Base64 Encoder / DecoderEncode text to Base64 or decode Base64 back to UTF-8 text.URL Encoder / DecoderSafely encode and decode URL components without uploading anything.UUID GeneratorGenerate secure UUID v4 identifiers using your browser's crypto API.JWT DecoderInspect JWT header and payload data locally without sending the token anywhere.Unix Timestamp ConverterConvert Unix timestamps to readable dates and dates back to Unix time.Hash GeneratorGenerate SHA-1, SHA-256, SHA-384, or SHA-512 hashes from text locally.JSON to CSVConvert an array of JSON objects into a CSV file-ready format.CSV to JSONConvert CSV rows into structured JSON directly in your browser.Query String ParserParse URL query strings into readable key-value JSON.Regex TesterTest regular expressions against text and inspect each match.HTML Escape / UnescapeEscape HTML-sensitive characters or restore escaped entities.
Text
7 toolsCase ConverterConvert text between common writing and programming case styles.Word & Character CounterCount words, characters, lines, sentences, and estimated reading time.Remove Duplicate LinesRemove repeated lines while preserving the first occurrence.Sort LinesSort lines alphabetically, naturally, or in reverse order.Find & ReplaceReplace text across a larger block with optional case sensitivity.Slug GeneratorTurn titles and phrases into clean URL-friendly slugs.Whitespace CleanerTrim lines, collapse repeated spaces, and remove extra blank lines.
Image
5 toolsResize ImageResize PNG, JPEG, or WebP images locally with custom dimensions.Image ConverterConvert images between PNG, JPEG, and WebP without uploading them.Compress ImageReduce JPEG or WebP image size by adjusting output quality locally.PNG Favicon GeneratorCreate 16, 32, 48, or 64 pixel PNG favicon assets from an image.Remove Image MetadataRe-encode an image through your browser to strip embedded metadata.
Design
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Local by default
Your files and text can stay on your device.
Most tools on Merrick Tools use browser APIs instead of uploading your content. That keeps the site fast, inexpensive to operate, and useful without an account.