26 tools

Converters tools

26 developer tools for converters. Every tool runs offline — your data never leaves your machine.

Unix Time Converter — Convert between Unix timestamps and human-readable dates

Unix Time Converter

Convert between Unix timestamps and human-readable dates

YAML to JSON — Convert YAML documents to JSON

YAML to JSON

Convert YAML documents to JSON

JSON to YAML — Convert JSON documents to YAML

JSON to YAML

Convert JSON documents to YAML

CSV to JSON — Convert CSV data to a JSON array

CSV to JSON

Convert CSV data to a JSON array

JSON to CSV — Convert a JSON array of objects to CSV

JSON to CSV

Convert a JSON array of objects to CSV

XML ⇄ JSON — Convert XML documents to JSON and back

XML ⇄ JSON

Convert XML documents to JSON and back

Number Base Converter — Convert numbers between binary, octal, decimal, hex and any base 2–36

Number Base Converter

Convert numbers between binary, octal, decimal, hex and any base 2–36

JSON Schema Generator — Infer a JSON Schema (draft 2020-12) from sample JSON

JSON Schema Generator

Infer a JSON Schema (draft 2020-12) from sample JSON

JSON Patch (RFC 6902) — Apply, generate, or validate JSON Patch operations per RFC 6902

JSON Patch (RFC 6902)

Apply, generate, or validate JSON Patch operations per RFC 6902

.env ⇄ JSON — Convert between dotenv files and JSON objects

.env ⇄ JSON

Convert between dotenv files and JSON objects

JSON to Code — Generate typed models from JSON (TypeScript, Swift, Kotlin, Go…)

JSON to Code

Generate typed models from JSON (TypeScript, Swift, Kotlin, Go…)

cURL to Code — Convert a curl command into fetch, Python requests or axios code

cURL to Code

Convert a curl command into fetch, Python requests or axios code

HTML to JSX — Convert HTML markup to React JSX — attributes, inline styles, SVG props, entities, fragments

HTML to JSX

Convert HTML markup to React JSX — attributes, inline styles, SVG props, entities, fragments

PHP to JSON — Convert a PHP array literal to JSON

PHP to JSON

Convert a PHP array literal to JSON

JSON to PHP — Convert JSON to a PHP array literal

JSON to PHP

Convert JSON to a PHP array literal

String Case Converter — Convert a string into every naming convention at once

String Case Converter

Convert a string into every naming convention at once

Color Converter — Convert colors between hex, RGB, HSL, HSV, HWB, CMYK, UIColor and named formats

Color Converter

Convert colors between hex, RGB, HSL, HSV, HWB, CMYK, UIColor and named formats

SVG to CSS — Turn an SVG into a CSS background-image data-URI snippet

SVG to CSS

Turn an SVG into a CSS background-image data-URI snippet

SVG to React Component — Convert SVG markup into React, React Native, or Vue components with prop spreading

SVG to React Component

Convert SVG markup into React, React Native, or Vue components with prop spreading

Image Compress & Convert — Compress images, convert between WebP/JPEG/PNG and resize — fully offline

Image Compress & Convert

Compress images, convert between WebP/JPEG/PNG and resize — fully offline

Image Cropper — Crop images to specific dimensions or aspect ratios — PNG, JPEG, WebP output

Image Cropper

Crop images to specific dimensions or aspect ratios — PNG, JPEG, WebP output

Chmod Calculator — Convert between octal and symbolic unix file permissions

Chmod Calculator

Convert between octal and symbolic unix file permissions

Markdown Preview — Render Markdown (GFM) as HTML with live preview

Markdown Preview

Render Markdown (GFM) as HTML with live preview

HTML Preview — Render HTML in a sandboxed preview (no scripts, no network)

HTML Preview

Render HTML in a sandboxed preview (no scripts, no network)

Date Difference Calculator — Calculate the difference between two dates in days, hours, minutes, seconds, and business days

Date Difference Calculator

Calculate the difference between two dates in days, hours, minutes, seconds, and business days

Unit Converter — Convert between units — data sizes (binary/decimal), time, length, weight, temperature, angle, speed

Unit Converter

Convert between units — data sizes (binary/decimal), time, length, weight, temperature, angle, speed

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