JSON Formatter
Format, validate, and minify JSON.
Open toolA sharp set of tools for the small things between you and the next big thing. Open, transform, keep moving.
Explore the toolkit ↗Format, validate, and minify JSON.
Open toolEncode and decode UTF-8 text as Base64.
Open toolEncode or decode a URL component.
Open toolGenerate cryptographically random version 4 UUIDs.
Open toolCreate strong passwords with secure browser randomness.
Open toolCalculate SHA-256 or SHA-512 text hashes.
Open toolSwitch text to uppercase, lowercase, title, or sentence case.
Open toolCount Unicode words, characters, sentences, and lines.
Open toolConvert Unix timestamps and timezone-qualified ISO dates.
Open toolConvert a HEX color to RGB and HSL.
Open toolCheck WCAG AA and AAA contrast for two colors.
Open toolTurn a title into a clean, Unicode-friendly URL slug.
Open toolSort, deduplicate, or trim lines of text.
Open toolEscape HTML markup or decode common and numeric entities.
Open toolConvert CSV tables and JSON object arrays.
Open toolResize and export images directly in your browser.
Open toolA deliberately small toolkit. Every listed tool works, with no detours.
Tool inputs and image files are processed in this browser. No upload step.
Copy results, download files, and get back to the work that matters.
Format an API response, inspect a timestamp, clean a list, or prepare an image without leaving your browser. Choose a category or search by task, then open a tool to get started.
Try the sample input before using your own data. Each tool explains its supported formats and limits, with copy and download controls for the result.
Resize PNG, JPEG and WebP images locally. Set width, keep aspect ratio, choose an export format and download the processed image.
Inputs are cleared when you switch tools. Downloaded files and copied results stay where you save them.
Prepare a smaller image asset or change its format without sending the selected file to an image-processing service.
Your tool input is processed in this browser and is not uploaded by the application. JavaScript is required to run the tool.