Developer Tools

ClientSide

PDF Metadata Viewer

Inspect metadata, author, dates, and technical properties of PDF files.

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ClientSide

JSON Formatter

Beautify, indent, and format JSON strings instantly.

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ClientSide

JSON Validator

Validate JSON syntax with exact error line numbers.

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ClientSide

Base64 Encoder / Decoder

Convert text and files to and from Base64 format.

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UUID Generator

Generate cryptographically secure UUID v4 / GUIDs.

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JSON Minifier

Compress and minify JSON data to a single compact line.

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XML Formatter

Beautify, indent, and format XML documents instantly.

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XML Validator

Validate XML syntax for well-formedness and syntax errors.

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URL Encoder / Decoder

Percent-encode and decode URLs and URI parameters.

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Unix Timestamp Converter

Convert Unix epoch timestamps to human dates and vice versa.

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Password Generator

Generate strong, cryptographically secure random passwords.

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HTML Formatter

Beautify, indent, and format HTML code cleanly.

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CSS Minifier

Minify and compress CSS stylesheets to boost page speed.

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SQL Formatter

Beautify, indent, and format SQL queries cleanly.

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Regex Tester

Test and debug regular expressions with live match highlighting.

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Slug Generator

Convert titles and text into clean, SEO-friendly URL slugs.

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Meta Tag Generator

Generate SEO, Open Graph, and Twitter Card HTML meta tags.

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Robots.txt Generator

Create crawler-safe robots.txt files with path rules and AI bot blocking.

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Sitemap URL Generator

Generate XML sitemaps from URL lists with changefreq and priority settings.

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QR Code Generator

Create custom QR codes for URLs, Wi-Fi networks, text, and email.

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QR Code Scanner

Scan and decode QR codes from images or your live camera.

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Case Converter

Convert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case.

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Duplicate Line Remover

Remove duplicate lines from text lists with sorting options.

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JSON Compare

Compare two JSON documents with deep structural diff and JSON path inspection.

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CSV Compare

Compare two CSV files or tables with row-by-row and key-based diff matching.

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JWT Debugger

Decode JWT tokens, inspect claims, and check expiry status — 100% client-side.

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ClientSide

YAML to JSON Converter

Convert YAML to JSON and JSON to YAML instantly — supports Kubernetes, Docker, CI/CD configs.

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cURL to Code Converter

Convert curl commands to JS fetch, C# HttpClient, Python requests, and Node Axios.

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Cron Expression Builder

Build cron expressions visually and explain them in plain English with next run times.

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ClientSide

Hash & Checksum Generator

Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes for text and files — 100% local.

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PDF Tools

Fast, free, and secure utilities to merge, split, compress, and convert PDF documents.

Image Tools

Resize, compress, crop, and convert photos directly in your browser with zero quality loss.

Code Tools

Format HTML, minify CSS, beautify SQL queries, and test Regular Expressions instantly.

Text Tools

Fast online text utilities to count words, check characters, convert casing, clean text, and remove duplicates.

Unit Converters

Accurate physical converters for length, weight, temperature, area, and volume units.

Calculators

Financial, statistical, and mathematical calculators for percentages, discounts, tips, and averages.

Date & Time

Chronological tools for countdown timers, time zone conversions, date differences, and timestamps.

SEO Tools

Search engine optimization generators for slugs, meta tags, robots.txt, and XML sitemaps.

QR Tools

Generate custom styled QR codes and scan QR codes directly from images or live camera streams.

Finance & Business

Free online financial calculators for loans, VAT, salary, investments, and profit margins tailored for US, UK, EU, AUS, NZ, and Canada.