Useful tools. Instant results.
util.oa.gg helps you finish small tasks quickly. Open a tool, get your result and discover other useful tools through the shared navigation.
Tools you can use today
Use 13 tools for images, calendars, dates, percentages, units, passwords, timers, JSON, URL encoding, Base64 and colors. Image and text processing runs in your browser.
Results you can check
The image compressor reports actual output bytes, dimensions and whether your target was reached. Unreachable targets are clearly marked. Always check output quality and the requirements of your destination.
View the source code or report an issue to help improve the tools.
More free tools
Image compressorReduce JPG, PNG or WebP to a target KB or MBCharacter and byte counterCount characters, words and UTF-8 bytesFile size converterConvert bytes, KB, MB, KiB and MiBMonthly CalendarBrowse any month, choose Sunday or Monday first, and print a clean calendar.Date Difference and Date CalculatorCount days between two dates or add and subtract days from a starting date.Percentage CalculatorFind a percentage of a number, percentage share, and percentage change instantly.Length, Weight and Temperature ConverterConvert common length, weight and temperature units without uploading data.Random Password GeneratorGenerate a random password locally with secure browser randomness and customizable character groups.Online Timer and StopwatchRun a countdown timer or stopwatch in your browser, with pause and reset controls.JSON Formatter and ValidatorValidate, pretty-print and minify JSON locally with clear syntax errors.URL Encoder and DecoderEncode and decode URL components, including Unicode text and percent escapes.Base64 Encoder and DecoderConvert UTF-8 text to Base64 and decode Base64 back to text locally.HEX, RGB and HSL Color ConverterChoose a color or enter HEX to convert it into RGB and HSL color values.