Skip to main content

UU UsefulUtilities

JSON Developer Compare Recipes Text Converters

JSON Workbench Developer & data tools Compare text Transformation recipes Text tools Converters About & trust

Home
Sitemap

Sitemap

Browse every current UsefulUtilities tool, guide and policy page.

Inspect

JSON Formatter & Inspector
Timestamp Converter
API Inspector
Text Statistics

Transform

Base64 Encoder & Decoder
URL Encoder & Decoder
Checksum & Hash Generator
Colour Converter
Structured Data Converter
Local Image Converter
Transformation Recipes
Case Converter

Compare

Text Diff

Generate

Password Generator
Lorem Ipsum Generator

Measurement converters

Length Converter
Temperature Converter
Weight & Mass Converter
Duration Converter
Area Converter
File Size Converter
Speed Converter
Pressure Converter

Collections

Developer & Data Tools
Text Tools
Measurement Converters

About this site

About UsefulUtilities
Sitemap

Policies

Privacy Policy
Cookie Policy
Terms of Use

Home

UsefulUtilities

About & trust Sitemap Privacy Cookies Terms Report a problem

© 2026 UsefulUtilities.

Find a UsefulUtilities tool

Search all tools

Developer & data

Browse category

Inspect JSON Formatter & Inspector Format, validate and inspect JSON with clear errors and readable output.

Transform Base64 Encoder & Decoder Encode and decode standard or URL-safe Base64 with clear text and padding handling.

Transform URL Encoder & Decoder Encode URL components and inspect or decode percent-encoded text.

Transform Checksum & Hash Generator Generate checksums for text and files, with clear guidance on safe hash use.

Transform Colour Converter Convert colours between HEX, RGB and HSL formats and preview the result.

Inspect Timestamp Converter Convert Unix timestamps and ISO 8601 values across time zones with explicit validation.

Transform Structured Data Converter Convert structured data between JSON, YAML, CSV and XML locally, with warnings when a format cannot preserve every value.

Inspect API Inspector Inspect URLs, query parameters, JWT payloads and timestamps locally without uploading input.

Transform Local Image Converter Convert, resize and compress WebP, PNG, JPEG and other browser-supported images locally without uploading them.

Transform Transformation Recipes Chain repeatable text, JSON, encoding and checksum operations locally, then share the recipe without sharing its data.

Text

Browse category

Transform Case Converter Convert text to upper, lower, title, camel, Pascal, snake, kebab and constant case.

Generate Password Generator Generate cryptographically random passwords in your browser without sending the result to a server.

Generate Lorem Ipsum Generator Generate configurable placeholder text for layouts, prototypes and typography tests.

Inspect Text Statistics Measure words, characters, sentences and text structure directly in your browser.

Compare Text Diff Compare two text versions and identify additions, removals and changes.

Converters

Browse category

Convert Length Converter Convert length between metres, kilometres, miles, yards, feet, inches and centimetres.

Convert Temperature Converter Convert temperatures between Celsius, Fahrenheit and Kelvin with the formulas shown.

Convert Weight & Mass Converter Convert mass between kilograms, grams, pounds and ounces.

Convert Duration Converter Convert durations between seconds, minutes, hours, days, weeks and approximate calendar units.

Convert Area Converter Convert area between square metric and imperial units, acres and hectares.

Convert File Size Converter Convert bytes and common decimal or binary storage units with their conventions explained.

Convert Speed Converter Convert common land, nautical and scientific speed units with assumptions identified.

Convert Pressure Converter Convert pressure between pascals, kilopascals, bar, PSI, atmospheres, Torr and related units.

No matching tools yet

Try a format, action or unit such as “JSON”, “compare”, “image” or “pressure”.

23 tools ⌘ K to open · Esc to close