DTDev ToolboxOnline utilities for all programmers
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ForgeKit

Open a tool and use it immediately. The library covers formatting, decoding, conversion, generation, and debugging workflows for frontend, backend, QA, DevOps, and indie development.

Browse ToolsOpen JSON Formatter

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DataOpen

JSON Formatter

Format, validate, and minify JSON with instant error feedback.

json formatterjson beautify
DataOpen

JSON YAML Converter

Convert JSON and YAML in both directions for config editing and payload cleanup.

json yamlyaml converter
TimeOpen

Timestamp Converter

Convert Unix timestamps and readable dates in both directions.

timestamp converterunix time
EncodingOpen

Base64 Encoder

Encode or decode Base64 text safely in the browser.

base64 encodebase64 decode
EncodingOpen

Hash Generator

Generate cryptographic hashes for text locally with common SHA algorithms.

hash generatorsha256
EncodingOpen

URL Encoder

Encode and decode query strings, paths, and unsafe URL characters.

url encodeurl decode
AuthOpen

JWT Decoder

Inspect JWT headers and payloads locally without sending them anywhere.

jwt decodejwt parser
GeneratorsOpen

UUID Generator

Generate UUID v4 identifiers in batches for test data and fixtures.

uuid generatoruuid v4
ComparisonOpen

JSON Diff

Compare two JSON documents and highlight structural changes instantly.

json diffjson compare
DataOpen

Regex Tester

Test regular expressions against sample text with instant match and group details.

regex testerregular expression
MediaOpen

QR Code Generator

Generate QR codes for URLs, text, Wi-Fi credentials, and app download links.

qr code generatorqrcode
MediaOpen

Image Cropper

Crop uploaded images with fixed or freeform ratios and export the result instantly.

image croppercrop image
DataOpen

JSON Formatter

Format, validate, and minify JSON with instant error feedback.

json formatterjson beautify
DataOpen

JSON YAML Converter

Convert JSON and YAML in both directions for config editing and payload cleanup.

json yamlyaml converter
TimeOpen

Timestamp Converter

Convert Unix timestamps and readable dates in both directions.

timestamp converterunix time
EncodingOpen

Base64 Encoder

Encode or decode Base64 text safely in the browser.

base64 encodebase64 decode
EncodingOpen

Hash Generator

Generate cryptographic hashes for text locally with common SHA algorithms.

hash generatorsha256
EncodingOpen

URL Encoder

Encode and decode query strings, paths, and unsafe URL characters.

url encodeurl decode
AuthOpen

JWT Decoder

Inspect JWT headers and payloads locally without sending them anywhere.

jwt decodejwt parser
GeneratorsOpen

UUID Generator

Generate UUID v4 identifiers in batches for test data and fixtures.

uuid generatoruuid v4
ComparisonOpen

JSON Diff

Compare two JSON documents and highlight structural changes instantly.

json diffjson compare
DataOpen

Regex Tester

Test regular expressions against sample text with instant match and group details.

regex testerregular expression
MediaOpen

QR Code Generator

Generate QR codes for URLs, text, Wi-Fi credentials, and app download links.

qr code generatorqrcode
MediaOpen

Image Cropper

Crop uploaded images with fixed or freeform ratios and export the result instantly.

image croppercrop image