PNG to JPG WebP to JPG JPG to PNG WebP to PNG PNG to WebP JPG to WebP Favicon (.ico) Compress image Resize image Compress to 100 KB AVIF to JPG AVIF to PNG Image to PDF JPG to PDF PNG to PDF

QR Code Generator 2 tasks

Wi-Fi QR code vCard QR code

Hash Generator 6 tasks

MD5 SHA-256 SHA-512 SHA-1 File checksum bcrypt

Unix Timestamp Converter 5 tasks

Timestamp → Date Date → Timestamp Milliseconds → Date Discord timestamps Timestamp now

JWT Decoder 3 tasks

JWT generator Expiry checker JWT debugger

Unused CSS Remover 2 tasks

Coverage JSON to CSS PurgeCSS online

JSON Converter 6 tasks

JSON to YAML YAML to JSON JSON to CSV CSV to JSON JSON to XML XML to JSON

Number Base Converter 4 tasks

Binary to decimal Decimal to binary Hex to decimal Text to binary

Code Formatter & Minifier 5 tasks

HTML formatter SQL formatter CSS minifier JavaScript minifier JavaScript beautifier

Case Converter 4 tasks

Slug generator Title Case UPPERCASE camelCase

Word Counter 3 tasks

Character counter Remove duplicate lines Lorem ipsum

Markdown to HTML Converter 2 tasks

HTML to Markdown Markdown preview

HTML Entity Encoder & Decoder 2 tasks

Escape HTML Decode entities

Cron Expression Explainer 3 tasks

Every 5 minutes Every hour Every day

CSS Generator 3 tasks

Gradient Box shadow Border radius

EXIF Viewer & Remover 2 tasks

Remove EXIF Remove location

Subnet Calculator 3 tasks

CIDR to range Cheat sheet IPv6

User-Agent Parser 1 task

My user agent

PDF Tools 5 tasks

Merge PDF Split PDF Extract pages Delete pages Rotate PDF

PDF Converter 3 tasks

PDF to JPG PDF to PNG PDF to text

QR Code Reader 2 tasks

Camera scanner From an image

JSON to Types 5 tasks

TypeScript Go Python C# JSON Schema

Meta Tag Generator 3 tasks

Open Graph X card Google preview

PDF Compressor 3 tasks

PDF to 100 KB PDF to 1 MB Reduce PDF size

Why Developers Choose LogicUtil

🆓

100% Free, Forever

Every tool is completely free to use, with no hidden fees, subscriptions, or usage limits.

🚫

No Sign-up Required

Jump straight in and start working. There's no account to create and no email to hand over.

🔒

Runs in Your Browser

Your data never leaves your device. Every tool processes everything locally for full privacy.

⚡

Instant Results

No waiting on servers. Get formatted, validated, or generated output the moment you type.

Free Online Tools for Developers, No Strings Attached

LogicUtil is a growing collection of free online developer tools designed to make everyday coding tasks faster and simpler. Whether you need to format JSON, test a regular expression, generate a UUID, or convert data between formats, you'll find a fast, no-nonsense tool built for exactly that job.

Every tool on LogicUtil runs entirely in your browser. Nothing you paste or upload is ever sent to a server, which means your code, data, and files stay private. There's no sign-up, no watermark, and no paywall — just open the tool and get to work.

New tools are added regularly based on what developers actually use day to day, and the site is available in multiple languages so more people around the world can use it comfortably.

Frequently Asked Questions

Is LogicUtil really free to use?

Yes. Every tool on LogicUtil is 100% free, with no hidden costs, subscriptions, or usage limits — now and in the future.

Do I need to create an account?

No. You can use any tool immediately without signing up, logging in, or providing an email address.

Is my data safe when I use these tools?

Yes. Most tools run entirely in your browser, so the text, code, or files you work with are processed locally and never uploaded to a server.

What kind of tools does LogicUtil offer?

LogicUtil covers common developer needs like text and encoding utilities, code formatters, generators, and other everyday tools, with new ones added regularly.

Can I use LogicUtil on my phone or tablet?

Yes. The site is fully responsive and every tool works on mobile, tablet, and desktop browsers.

Will new tools be added in the future?

Yes. LogicUtil is actively growing, and new tools are added based on what developers request and use most often.