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JSON Formatter

Format or minify JSON with clear error hints.

Security

JSON Validator

Validate JSON and pinpoint syntax issues.

Security

Regex Tester

Test patterns live with capture groups.

Security

Base64 Encode/Decode

Convert UTF-8 text to and from Base64.

Web

URL Encode/Decode

Encode or decode URLs and query strings safely.

Web

Timestamp Converter

Convert Unix time and ISO-8601 with time zones.

Web

UUID Generator

Generate v4 UUIDs in batch.

Security

JWT Decoder

Inspect JWT header and payload (signature not verified).

Security

Hash Generator

Compute SHA-1, SHA-256, and SHA-512 digests.

Security

YAML ⇄ JSON

Convert between YAML and JSON bidirectionally.

Security

Diff Checker

Compare two texts with highlighted changes.

Text

Cron Parser

Turn cron expressions into human-readable schedules.

Security

PDF Merge

Merge multiple PDF files into one.

Data

PDF Split

Split PDFs by page ranges.

Data

PDF Compress

Reduce PDF size while keeping readability.

Data

Image Compress

Compress JPG, PNG, and WebP images.

Media

Image Resize

Resize images to target dimensions.

Media

CSV ⇄ JSON

Convert between CSV and JSON.

Data

QR Code Generator

Create QR codes from text or URLs.

Media

QR Code Parser

Read QR content from an image.

Media

Text Case Converter

Switch letter case styles in bulk.

Text

Lorem Ipsum Generator

Generate placeholder paragraphs.

Text

Markdown ⇄ HTML

Lightweight Markdown and HTML conversion.

Text

UUID Validator

Check whether strings are valid UUIDs.

Security

JSON String Escape

Escape plain text for use inside JSON strings.

Security