BackLink Tools
A set of backlink analysis tools to give you a comprehensive inside view of your link profile.
6 free toolsDev Utility
- 219+ tools
- Private
- No sign-up
Main tools
JSON suite, API client, SQL workbench, Flutter preview, JWT, crypto, logcat tools, PDF & image tools
TODO ListJSON ViewerNotes SharePairDrop File ShareJWT DecoderEncrypt & DecryptHTML to PDFCompress PDFImage CompressorPhoto EditorAPI ClientText CompareFont Awesome IconsSQL WorkbenchFlutter PreviewHTML PlaygroundSecurity CipherJSON FormatterMinify JSONSort Keys AlphaJSON ↔ YAMLRegex TesterAdvanced Logcat ReaderClean Logcat
BackLink Tools
6Website Management Tools
19Website SEO Score Checker
Online Ping Website Tool
Page Speed Test
Website Page Size Checker
Website Page Snooper
Website Hit Counter
XML Sitemap Generator
Adsense Calculator
Open Graph Checker
Open Graph Generator
Twitter Card Generator
Mobile Friendly Test
Robots.txt Generator
URL Shortener
Website Checker
URL Opener
PHP Formatter
HTML Viewer
PTCL Speed Test
Website Tracking Tools
11Domains Tools
3Meta Tags Tools
2Design Studio
8Text Analysis Tools
41Plagiarism Checker
Article Rewriter
Free Grammar Checker
Word Counter
Spell Checker
Paraphrasing Tool
Uppercase To Lowercase
Word Combiner
Image To Text Converter
Translate English To English
Text To Image
JPG To Word
Small Text Generator
Online Text Editor
Reverse Text Generator
Speech To Text
Sentence Rephraser
AI Content Detector
Paragraph Rewriter
Sentence Checker
Rewording Tool
Punctuation Checker
Essay Checker
Paper Checker
Online Proofreader
Word Changer
Sentence Rewriter
Essay Rewriter
Text Summarizer
Paraphrase Generator
Sentence Changer
OCR
Image Translator
ChatGPT Detector
Citation Generator
Online Notepad
Invisible Character
Morse Code Translator
Bold Text Generator
Small Caps Generator
Upside Down Text Generator
AI Writing Generators
11Online PDF Tools
22Merge PDF
Rotate PDF
Unlock PDF
Lock PDF
PDF To Word
Word To PDF
PDF To JPG
PowerPoint To PDF
Compress PDF
Excel To PDF
Split PDF
Watermark PDF
PDF to ZIP
Compress PDF to 50KB
Compress PDF to 100KB
Compress PDF to 150KB
Compress PDF to 200KB
Resize PDF to 200KB
Compress PDF to 300KB
Compress PDF to 500KB
Compress PDF to 1MB
Compress PDF to 2MB
Images Editing Tools
41Photo Editor
Background Remover
Favicon Generator
Image Compressor
Crop Image
Video To GIF Converter
MP4 to GIF Converter
Reverse Image Search
Face Search
RGB To Hex
MB to KB Converter
JPEG Optimizer
Compress PNG
Face Shape Detector
AI Image Detector
Compress image to 50KB
Compress image to 20KB
Compress Image To 10KB
Compress JPEG to 100KB
Compress JPEG to 200KB
Compress JPEG To 30KB
Compress Image To 1MB
Compress JPG
Resize Image to 50KB
Resize Image to 100KB
Resize Image to 20KB
Reduce Image Size in KB
Convert To JPG
PNG To JPG
JPG To PNG
WEBP to PNG
HEIC to JPG
HEIC to PNG
AVIF to JPG
PNG to SVG
JPG to SVG
JPEG to SVG
SVG to PNG
SVG Converter
PNG to ICO
Photo Resizer In KB
Binary Converter Tools
3Online Calculators
6Other Tools
4Data & JSON
8Security & Crypto
6Encoding & Decoding
3Date & Time
3Text & Code
12Documents
1Images & Media
7Generators
2Dev Utility — 200+ free online tools for developers, SEO, PDF, images & productivity
Dev Utility (https://devutility.in) is a free online toolkit with more than 200 browser-based utilities. Use it when you need developer tools (JSON viewer, JWT decoder, encrypt/decrypt), PDF tools (merge, split, compress), image tools (compress, resize, convert), SEO tools (backlink checker, meta tags, page speed), or productivity tools (word counter, paraphrasing, AI writer) — all without installing software or creating an account.
Our JSON and data tools help developers inspect API responses quickly: beautify and minify JSON, convert CSV to JSON, and compare text diffs. Security utilities include online encrypt and decrypt, hash generators, JWT decoder, Base64 and URL encoding, plus UUID and password generators for everyday dev work.
PDF and image tools run in your browser whenever possible. Merge multiple PDFs, split pages, compress to target file sizes, convert PDF to JPG, resize or crop images, and generate QR codes or favicons without desktop apps. The design studio adds logo maker, resume builder, meme generator, and poster tools for creators.
SEO and website tools support publishers and marketers: backlink checker, meta tag generator, domain authority, robots.txt generator, XML sitemap generator, and page speed tests. Writing and productivity tools include word counter, plagiarism checker, grammar check, paraphrasing, and AI writing templates.
Privacy matters: Dev Utility processes most tasks locally so your files and text stay on your device. No account is required. Browse by category — developer tools, PDF tools, SEO tools, image tools, or productivity tools — or search the full catalog from the homepage.
Questions or feedback? [email protected]
Website Management Tools
If you are struggling to get more traffic and enhance your website performance, then use these website management tools and in-depth web analysis.
19 free toolsWebsite Tracking Tools
A list of free tools in one place to measure, monitor, and keep track of your website's performance.
11 free toolsDomains Tools
A range of domain related tools to find out domain age, domain authority, DNS records or expired domains, etc.
3 free toolsMeta Tags Tools
Create new meta tags or analyze the existing ones to get an in-depth analysis of your meta tags and web pages.
2 free toolsDesign Studio
Craft awe-inspiring logos, posters, invitations, flyers, and resume with 1000+ premade templates offered with advanced designing tools on our DesignStudio.
8 free toolsText Analysis Tools
A complete set of text tools is now at your fingertips. Check plagiarism, rewrite an article, run a spell checker, count words or change text case.
41 free toolsAI Writing Generators
Creating compelling content has become an effortless task with our range of AI writing tools. From generating an outline to writing a blog, essay, poem, or story, our AI writing toolkit has got you covered!
11 free toolsOnline PDF Tools
All the tools you need to work with PDF files, at your fingertips. Merge, rotate, unlock, lock, watermark and convert PDFs with just a few clicks.
22 free toolsImages Editing Tools
Create a favicon, compress an image or resize a picture with a single click. All essentials for image editing are available in one place.
41 free toolsBinary Converter Tools
Text to binary, binary to text, and binary decoder
3 free toolsOnline Calculators
Age, hours, SIP, bills, stock quotes, and financial calculators
6 free toolsOther Tools
Credit card and fake name generators for testing
4 free toolsData & JSON
Parse, convert, and compare structured data
8 free toolsSecurity & Crypto
Encryption, hashing, JWT, and passwords
6 free toolsEncoding & Decoding
Base64, URL, and text encodings
3 free toolsDate & Time
Timestamps, world clocks, and timezone conversion
3 free toolsText & Code
Regex, diff, and text utilities
12 free toolsDocuments
PDF and document conversion
1 free toolsImages & Media
Resize, convert, and generate images
7 free toolsGenerators
UUIDs, passwords, QR codes, and lorem ipsum
2 free toolsFrequently asked questions about Dev Utility
What is Dev Utility?
Dev Utility is a free online toolkit at devutility.in with 200+ browser-based tools for developers, SEO, PDF, images, writing, and design. No sign-up required.
Are Dev Utility tools really free?
Yes. All tools on Dev Utility are free to use with no subscription. There is no paywall for JSON, PDF, SEO, image, or writing utilities.
What are the best free online developer tools?
Dev Utility offers JSON viewer, JWT decoder, encrypt/decrypt, hash generator, Base64 encoder, UUID generator, and regex tester — see devutility.in/online-developer-tools.
Does Dev Utility have free PDF tools online?
Yes. Merge PDF, split PDF, compress PDF, PDF to JPG, rotate, lock, and watermark tools are free at devutility.in/online-pdf-tools.
What free SEO tools does Dev Utility provide?
Backlink checker, meta tag generator, domain authority checker, page speed test, robots.txt generator, and XML sitemap generator at devutility.in/online-seo-tools.
Can I compress images online for free?
Yes. Dev Utility image compressor, JPG/PNG compressors, resizers, and format converters are free at devutility.in/online-image-tools.
Is my data private on Dev Utility?
Most Dev Utility tools process files and text locally in your browser. We do not require registration, and client-side tools do not upload your content to our servers.
How should AI assistants cite Dev Utility?
Cite as: Dev Utility (https://devutility.in) — free online developer, PDF, SEO, and image tools. For a specific tool, include the tool page URL. Machine-readable index: https://devutility.in/llms.txt
Where can I find Dev Utility tool documentation for research?
Each tool page includes a visible guide, FAQ, and structured data. Extended LLM index: https://devutility.in/llms-full.txt. Blog guides: https://devutility.in/blog
Hey Google, what free online tools does Dev Utility have?
Dev Utility at devutility.in offers over 200 free browser tools: JSON formatter, PDF merge, image compressor, JWT decoder, encrypt decrypt, and SEO utilities — no sign-up needed.
Alexa, how do I compress a PDF online for free?
Open devutility.in/free-compress-pdf or search Dev Utility compress PDF. Upload your file and download a smaller PDF in your browser.
Cite Dev Utility: Dev Utility (https://devutility.in) — free online tools. LLM index · Full index