UUID Generator

Create version 4 universally unique identifiers.

Configuration

Hyphens

Uppercase

Quantity

MAX 100

Generate UUIDs

OUTPUT.log

COPY

NanoID / ULID

Generate compact, URL-safe IDs or sortable ULIDs.

Configuration

NanoID

ULID

NanoID Length

MAX 64

Quantity

MAX 100

Generate IDs

OUTPUT.log

COPY

JSON Formatter

Validate, beautify and minify JSON data.

Prettify Minify

INPUT

RESULT VALID JSON

jq Editor

Run jq queries against JSON via play.jqlang.org.

Run Copy Output

Query

Status: IDLE | Ctrl/⌘ + Enter to run

Options Auto-run

-r -c -S -s -n -R

API: GET /api/jq (fallback to POST for large payloads)

JSON INPUT COPY

OUTPUT text/plain

Base64 Converter

Encode and decode data using Base64 algorithms.

Encode

Decode

JWT Decoder

Decode header and payload, verify HMAC signature.

Token

Secret (HMAC)

Signature status: PENDING

HEADER

PAYLOAD

SIGNATURE

Certificate Extractor

Parse PEM certificates and extract X.509 metadata.

PEM Input Load File

Status: IDLE

EXTRACTED INFO COPY

CSP Tools

Build a Content Security Policy and inspect headers from a URL.

URL

Method HEAD GET

Check CSP

Status: IDLE

Note: Browsers can only read headers if CORS allows it.

RAW HEADERS

PARSED DIRECTIVES

WARNINGS

Policy Builder

default-src

script-src

style-src

img-src

connect-src

font-src

object-src

media-src

frame-src

worker-src

base-uri

form-action

frame-ancestors

upgrade-insecure-requests

block-all-mixed-content

Generated Policy COPY

Case Converter

Transform text strings into different casing styles.

Input Text Chars: 0

Results

camelCase

snake_case

kebab-case

PascalCase

UPPERCASE

Character Counter

Count the number of characters in your text.

0

Characters

0

Letters

0

Digits

0

Whitespace

0

Symbols

Input

Line Counter

Count total, non-empty, and empty lines.

0

Total Lines

0

Non-Empty

0

Empty

Input

Live Clock

...

Current Unix Epoch Time

Timestamp Input

Now

Human Date (UTC)

Crontab Analyzer

Explain and preview standard 5-field crontab schedules.

Expression (min hour day month weekday)

Local timezone:

*/5 * * * * 0 0 * * * 0 9 * * 1-5

Supports *, */n, ranges, lists, and month/weekday names (JAN..DEC, SUN..SAT). If both day-of-month and weekday are restricted, the schedule matches when either matches (standard crontab behavior).

ANALYSIS IDLE

NEXT RUNS (LOCAL TIME) COPY

List Sort

Sort a list of values in ascending order.

INPUT

RESULT (ASC) COPY

List to One Line

Convert multi-line values into a single space-separated line.

INPUT

RESULT (ONE LINE) COPY

GitHub Latest Version

Enter a component name (or owner/repo) to fetch the latest release/tag.

Lookup Copy Version

Component

Status: IDLE | Enter to run

REPOSITORY OPEN

LATEST VERSION

Cache Header Inspector

Inspect cache-related response headers for any HTTP(S) URL.

Inspect Copy Report

Target URL

Method HEAD GET

Status: IDLE | Enter to inspect

CACHE REPORT

Image Splitter

Import an image, split it into a grid, and export each piece at the original image size.

Split Download All

Image File

Sample

Rows

Columns

Status: IDLE | No image loaded

SOURCE PREVIEW

Select an image to preview

OUTPUT INFO

Mode: Each output keeps original dimensions

Split count: 0

Tip: Transparent areas are preserved in PNG files.

Image Resizer

Import an image, set target dimensions, then stretch it or center it on a transparent canvas.

Resize Download

Image File

Width

Height

Fit Mode

Stretch

Fit inside

Center + pad

Stretch scales the image to the target size.

Background

Transparent

Color

Maintain aspect ratio

Auto Resize

1242 × 2688 iPhone capture 2064 × 2752 iPad portrait 2752 × 2064 iPad landscape 2048 × 2732 iPad portrait 2732 × 2048 iPad landscape 2880 × 1800 1024 × 1024

Status: IDLE | No image loaded

SOURCE PREVIEW

Select an image to preview

RESULT PREVIEW —

Resize to see result

Under Construction

This tool is currently being developed. Check back in the next update.