25+ Tools • 100% Offline PWA Ready

Free Online Tools.
Open. Use. Done.

Fast, privacy-first developer & document utilities. Zero server uploads, zero logins, and full offline execution.

SVG to PNG Converter

Convert any SVG file to a high-resolution PNG image with custom scale (1x, 2x, 3x, 4x) and background color options.

Resume ATS Optimizer

Instantly check how well your resume matches a job description with our 100% private ATS keyword scanner.

Combine and merge multiple PDF files into one single organized PDF document in seconds.

Extract specific pages or page ranges (e.g. 1-3, 5, 8-10) from any PDF into a new document.

Images to PDF Converter

Convert and combine multiple JPG and PNG images into a clean, multi-page PDF document.

PDF to Images Converter

Convert every page of a PDF document into high-resolution PNG photos with 1-click download.

Compress and reduce PDF file size online with multiple compression presets, grayscale mode, and zero quality loss.

Signature Extractor

Upload a photo of your signature and instantly remove the paper background to create a clean, transparent digital signature for PDFs.

QR Code Generator

Generate custom QR codes for URLs, text, email, or phone. Choose colors, sizes, and error correction levels.

Generate SHA-1, SHA-256, SHA-384, and SHA-512 cryptographic hashes from any text instantly.

Text Diff Checker

Compare two blocks of text side-by-side and highlight line-by-line additions and deletions.

Test and debug regular expressions with real-time match highlighting, flag controls, and common presets.

Lorem Ipsum Generator

Generate placeholder Lorem Ipsum text by paragraphs, sentences, or words with one click.

Meta Tag Generator

Generate complete HTML meta tags, Open Graph (OG), and Twitter Card tags for SEO and social sharing.

Format, beautify, and edit raw JSON strings into clean, human-readable structure instantly.

Validate JSON syntax compliance, detect missing quotes or brackets, and inspect errors accurately.

Generate cryptographically secure random UUID v4 strings individually or in bulk.

Base64 Encoder / Decoder

Encode plain text strings into Base64 format or decode Base64 data back to utf-8 text.

URL Encoder / Decoder

Encode special characters into percent-encoded URL components or decode encoded URLs.

Unix Timestamp Converter

Convert Unix epoch timestamps to human-readable date & time strings and vice versa.

Password Generator

Create strong, customizable, cryptographically random passwords to safeguard your accounts.

Count words, characters, sentences, paragraphs, and estimate reading time for any text.

Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case, and kebab-case.

Color Converter

Convert color codes between HEX, RGB, HSL values with live preview and color picker.

Image Compressor

Compress JPG, PNG, and WebP images directly in your browser without losing quality.

Resize image dimensions (width & height in pixels) maintaining aspect ratio client-side.

JPG to PNG Converter

Convert JPG / JPEG photo files into high-quality PNG format with full transparency support.

PNG to JPG Converter

Convert PNG images into lightweight JPG format for smaller file sizes and web optimization.

Percentage Calculator

Calculate percentages, percentage change (increase/decrease), and X is what % of Y easily.

Background Remover

Remove image backgrounds instantly using AI. 100% private — processed in your browser, no uploads.

Markdown to HTML Converter

Convert Markdown to HTML or HTML to Markdown instantly with live preview. Free, in-browser, no uploads.

CSS & JS Minifier

Minify CSS and JavaScript files instantly to reduce file sizes. See exact savings percentage. Free, in-browser.

Progressive Web App (PWA)

Install ToolNest • Use All 25+ Tools 100% Offline

Add ToolNest to your PC desktop, Mac dock, or mobile home screen. Enjoy zero-latency instant launches and complete offline tool functionality without relying on an active internet connection.

100% Offline Support

Compress PDFs, generate QR codes, and format JSON payloads even on airplane mode.

Zero Server Uploads

Your confidential tax forms, passwords, and source code stay strictly on your local hardware.

1-Click Desktop & Mobile

Instant app shortcuts with zero installation lag and automatic background cache updates.

Frequently Asked Questions

Yes! ToolNest is a Progressive Web App (PWA). You can install it on your computer, tablet, or smartphone to run all PDF, developer, image, and text utilities completely offline without an internet connection.