Free Developer Tools
ToolTree is a comprehensive platform providing free, fast, and secure client-side utilities for developers. From JSON formatting to text comparison, our tools help you be more productive without your data ever leaving your browser.
Most Popular Tools 🔥
Image Tools
Image to PDF
Convert images to PDF documents.
Image Cropper
Crop and resize your images.
SVG to PNG
Convert SVG vector to PNG image.
PNG to SVG
Wrap PNG images into SVG format.
Rotate Image
Rotate images by any angle.
Flip Image
Flip images horizontally or vertically.
Favicon Generator
Create favicon sizes from any image.
Image Compressor
Reduce image file size.
Image Resizer
Resize image dimensions.
Image Converter
Change image formats.
PDF Tools
PDF to Image
Extract pages from PDF as images.
Images to PDF
Merge multiple images into one PDF.
Protect PDF
Password protect your PDF files.
Unlock PDF
Remove password from PDF files.
Word to PDF
Convert Word docx to PDF.
Merge PDF
Combine multiple PDF files.
Split PDF
Extract pages from PDF.
Compress PDF
Reduce PDF file size.
Developer Tools
SQL Formatter
Beautify and format SQL queries.
Cron Generator
Build cron schedule expressions.
Password Strength
Check password security levels.
DNS Lookup
Query DNS records for a domain.
UUID Generator
Generate unique IDs.
Hash Generator
Generate crypto hashes.
Timestamp Converter
Epoch to date conversion.
Age Calculator
Calculate exact age from DOB.
Subscription Tracker
Manage recurring expenses.
JSON Tools
Text Utilities
Web & Encoding
Free Developer Tools for Everyday Use
ToolTree is a comprehensive platform built specifically for software engineers, QA testers, and web developers who need fast, reliable, and secure utilities. Our suite of free developer tools makes everyday tasks completely frictionless.
Why Client-Side Tools Matter
In modern web development, data privacy is paramount. Many online formatters and converters upload your JSON files, SQL queries, code snippets, or PDFs to a remote server for processing. ToolTree fundamentally rejects this approach.Every single developer utility on our website processes your data entirely on the client-side within your browser using JavaScript APIs. Your data never touches our server, keeping your sensitive API keys, database dumps, and intellectual property 100% safe.
Who is ToolTree For?
Whether you are debugging a broken backend response, formatting massive SQL queries for a report, editing intricate PDFs, or converting image assets for your frontend, our platform serves:
- Backend Engineers who frequently serialize JSON, decode Base64 tokens, or extract JWT headers.
- Frontend Developers needing quick SVG-to-PNG conversions or UI asset processing.
- Data Analysts managing CSV translations.
Experience lightning-fast speed with tools that work instantly because there is zero network latency. Try our JSON Formatter or our Base64 Encode/Decode tool to see the difference yourself!
Privacy First
All tools run entirely in your browser. Your data is never sent to any server.
Blazing Fast
Optimized client-side processing for instant results, even with large files.
Free Forever
Open and free access to premium utilities to accelerate your workflow.