ToolKitSphereFree Online Tools.
Fast, Private & Simple.
Compress PDFs, format JSON, convert files, analyze SEO, work with images, and more — all in one place.
Popular Tools
Quick access to tools people use most.
Base64 Encoder / Decoder
Encode text to Base64 or decode it back — instantly, in your browser.
abc123 → YWJjMTIz
JSON Formatter & Beautifier
Paste messy JSON, get clean, validated, indented output.
{"a":1} → { "a": 1 }
Regex Tester & Matcher
Test regular expressions live and see exactly what matches.
\d+ → matches: 42, 7
UUID Generator (v1, v4, v5, NIL)
Generate unique IDs (v1, v4, v5) for databases, APIs, and tests.
generate → 3f2504e0-4f89-11d3-9a0c-0305e82c3301
Strong Random Password Generator
Create strong, random passwords with the rules you set.
QR Code Generator
Turn any link or text into a downloadable QR code.
JWT Decoder (Header, Payload, Signature)
Decode and inspect JSON Web Token headers, claims, expiration, and payload data.
MD5 Hash Generator
Generate standard 128-bit MD5 checksums and hashes from text.
Browse Tools by Category
Find the right tool for PDFs, development, SEO, images, text and more.
PDF Tools
Merge, split, compress, convert and manage PDF files directly in your browser.
Developer Utilities
URL parser, regex tester, timestamps, cron validator, IP subnet calculator, and dev helpers.
JSON & Format Converters
Convert, validate, and beautify JSON, CSV, XML, YAML, HTML, CSS, JS, and SQL.
Text & String Utilities
Encode, format, analyze, and manipulate text and strings.
Image Tools
Generate QR codes, barcodes, ASCII art, SVG placeholders, and convert image formats.
SEO & Metadata Tools
Generate and analyze meta tags, OpenGraph, Schema.org JSON-LD, sitemaps, robots.txt, and keyword density.
Cryptography & Encoding
Generate hashes, secure passwords, UUIDs, JWTs, checksums, and encryption.
Calculators & Converters
Multi-category unit converter, loan amortization, percentages, BMI, GPA, and math calculators.
Color Tools
Convert color spaces, create harmonious palettes, test contrast, and simulate color blindness.
Drawing & Creative Tools
Sketch, diagram, and create freehand drawings directly in your browser with a free online drawing board.
Keyboard & Typing Tools
Test your keyboard, improve typing speed, practice touch typing, and use free keyboard utilities directly in your browser.
Popular Collections
Curated sets of tools that are often used together.
Developer Essentials
The tools that live in every developer's bookmarks bar.
Text Editing Toolkit
Clean up, compare, and reshape text without leaving the browser.
Image & Visual Tools
Generate, compress, and convert images and visual assets.
Data Converters
Move data between JSON, CSV, XML, and YAML in one click.
Keyboard & Typing Tools
Test your keyboard, check your typing speed, and practice touch typing.
Recently Added
Explore the newest tools on ToolKitSphere.
Why ToolKitSphere?
No Signup
Open a tool and start working immediately.
Browser-Based
Many tools process data directly in your browser.
Fast
Lightweight tools designed to give you results quickly.
Mobile Friendly
Use ToolKitSphere on phones, tablets and desktops.
Privacy-Focused
When browser processing is available, your data stays on your device.
Can't find the tool you need?
Tell us what you'd like ToolKitSphere to build next. We're constantly adding new tools based on user feedback.
Frequently Asked Questions
ToolKitSphere is a collection of free online utilities for everyday digital tasks. We provide tools for developers, SEO professionals, students, and anyone who needs to quickly convert, format, or process data.
Find the tool you need.
Explore hundreds of free online tools for work, development, files, SEO and everyday tasks.
Explore All Tools