Free Online Developer Tools Suite
Format JSON, decode JWT, convert Unix timestamps, generate UUIDs, test regex, and minify code. 100% private in-browser tools by PixyTool.
All Developer Tools (19)
Zero data sent to servers. Private, ultra-fast client-side execution.
JSON Formatter & Validator
Format, beautify, validate, and minify JSON data with real-time syntax checking.
Base64 Encoder & Decoder
Convert plain text into Base64 strings and decode Base64 back to original text.
JWT Decoder & Inspector
Decode JSON Web Tokens securely without sending sensitive tokens over the network.
Unix Timestamp Converter
Convert Epoch timestamps to human dates (UTC, local) and vice versa with live epoch clock.
URL Encoder & Decoder
Encode or decode query strings, URI components, and full URLs with special character escaping.
UUID / GUID Generator
Generate random Version 4 UUIDs and GUIDs in bulk with uppercase and hyphen options.
CSV to JSON Converter
Convert CSV spreadsheets to JSON objects or arrays and JSON to CSV tables.
SQL Formatter & Beautifier
Beautify and indent complex SQL queries with standardized capitalized keywords.
Code Minifier (HTML, CSS, JS)
Strip comments and whitespace from HTML, CSS, and JS to reduce file size and speed up page loads.
XML to JSON Converter
Parse XML tags and convert them into structured JSON trees instantly.
CSS Box Shadow Generator
Interactive sliders to craft smooth modern CSS box shadows with live element preview.
CSS Gradient Generator
Design custom linear and radial CSS background gradients with live canvas preview.
Color Converter (HEX, RGB, HSL, CMYK)
Instant synchronization between HEX, RGB, HSL, and CMYK color models with visual picker.
Regex Tester & Debugger
Test regular expressions in real time with group matching and flag toggles.
Cron Expression Generator & Explainer
Translate 5-part cron syntax into human-friendly English sentences with common presets.
Markdown to HTML Converter
Dual-pane live markdown editor with real-time HTML markup generation.
Hash Generator (SHA-256, SHA-1, SHA-512)
Generate secure cryptographic checksums and hashes in browser WebCrypto.
HTML Entities Encoder & Decoder
Convert reserved characters into HTML character entities and decode back to text.
Color Contrast Checker
Calculate WCAG 2.1 AA & AAA contrast ratios with color blindness simulator.
How PixyTool Developer Suite Works in 4 Simple Steps
Illustrated step-by-step workflow. Zero server delays, zero data leaks, 100% private in your browser.
Why PixyTool Is 10x Safer & Faster
See the difference between old cloud upload converters and PixyTool's zero-upload client architecture.
Traditional Cloud Converters
Remote server processing
- Uploads private documents, IDs, and signatures to third-party servers.
- Slow upload & download queues on mobile networks.
- Strict daily file quotas and aggressive subscription paywalls.
- Risk of permanent cloud storage retention or security leaks.
PixyTool In-Browser EngineRecommended
100% Client-side local execution
- Zero Server Uploads: Files never leave your browser memory.
- Instant Speed: Zero network latency, instant conversions.
- Unlimited & Free: Process unlimited files without signup or limits.
- Mobile-Optimized: Smooth touch experience across iOS & Android.
Why Engineers Choose PixyTool Developer Suite
Developers encounter everyday utility tasks: beautifying an unformatted JSON response, decoding a JWT auth payload, translating epoch timestamps to local time, generating UUID test data, or designing CSS box shadows.
Traditional online converters often send your pasted data to third-party backend servers where confidential API secrets or user identifiers can be logged. PixyTool executes 100% of its algorithms directly inside your browser using modern Web APIs. Your confidential records never leave your machine.
Engineered for Quality & Performance
Why PixyTool Is The First Choice For Creators
Engineered specifically to solve strict upload constraints for government job forms, exam portals, web developers, and professional photographers.
Exact Target Size (100KB, 50KB, 20KB & More)
Never guess quality settings again. Select your required size (like 100KB or 50KB) and our tool automatically tunes the compression to make sure your photo fits safely under that limit.
Crystal Clear Quality (No Blurry Images)
Keep your photos sharp and clear. Our smart compressor shrinks the file size while preserving faces, document text, and signatures so they look just as good as the original.
Compress Multiple Photos & 1-Click ZIP
Compress dozens of photos at once without slowdowns. Download them individually or save everything together in one neat ZIP file with a single click.
Side-by-Side Before & After Comparison
Check the quality before downloading. Use the interactive split slider to compare your original photo and the compressed version side by side.
Convert Between Formats (WebP, JPG, PNG)
Easily convert photos between JPG, PNG, and modern WebP formats. Keep transparent backgrounds for logos or optimize photos for fast web sharing.
Instant Speed & Works 100% Offline
Everything happens directly on your device with no waiting for uploads. Once the website is opened, you can even compress images without an internet connection.
Exact Target Size (100KB, 50KB, 20KB & More)
Never guess quality settings again. Select your required size (like 100KB or 50KB) and our tool automatically tunes the compression to make sure your photo fits safely under that limit.
Crystal Clear Quality (No Blurry Images)
Keep your photos sharp and clear. Our smart compressor shrinks the file size while preserving faces, document text, and signatures so they look just as good as the original.
Compress Multiple Photos & 1-Click ZIP
Compress dozens of photos at once without slowdowns. Download them individually or save everything together in one neat ZIP file with a single click.
Side-by-Side Before & After Comparison
Check the quality before downloading. Use the interactive split slider to compare your original photo and the compressed version side by side.
Convert Between Formats (WebP, JPG, PNG)
Easily convert photos between JPG, PNG, and modern WebP formats. Keep transparent backgrounds for logos or optimize photos for fast web sharing.
Instant Speed & Works 100% Offline
Everything happens directly on your device with no waiting for uploads. Once the website is opened, you can even compress images without an internet connection.
Your Personal Photos & Documents Never Leave Your Device
Most online compressor websites upload your sensitive ID cards, signatures, and private photos to unknown remote servers. PixyTool works completely on your phone or computer. Nothing is ever uploaded, stored, or viewed by anyone.
Frequently Asked Questions
Everything you need to know about our image compression technology and file size standards.
Explore PixyTool Free Online Tools Directory
Quickly switch between PDF utilities, image compressors, developer tools, video processing, text tools, and calculators. All tools run 100% locally in your browser for unmatched privacy and speed.
Combine multiple PDF files into a single unified document in seconds.
Extract specific page ranges or separate all pages into individual files.
Reduce PDF file size while keeping text and illustrations sharp and clear.
Convert JPG, PNG, and WebP images into high-quality A4 PDF documents.
Compress photos to custom exact sizes (KB) or percentage with zero quality loss.
Instantly resize and compress images under 100KB for exam and job forms.
Get photos under 50KB for UPSC, SSC, state PSC, and government portals.
Compress signatures and small ID photos under 20KB with maximum clarity.
Format, beautify, validate, and minify JSON data with real-time syntax checking.
Convert plain text into Base64 strings and decode Base64 back to original text.
Decode JSON Web Tokens securely without sending sensitive tokens over the network.
Convert Epoch timestamps to human dates (UTC, local) and vice versa with live epoch clock.
Translate video dialogue into 30+ languages with matched voice tone, lip-sync pacing, and background music.
Translate spoken video audio into another language with matched vocal characteristics and timing.
Cut and trim video clips to exact start and end times instantly in browser.
Remove audio track from any video and download a clean silent MP4 file.
Count words, characters, sentences, and estimate reading time instantly.
Convert text to UPPERCASE, lowercase, Title Case, camelCase, and kebab-case.
Compare two texts side-by-side and highlight added, changed, and removed lines.
Convert article titles into clean SEO-friendly URL slugs automatically.
Calculate exact age in years, months, and days from any date of birth.
Calculate percentage, percentage change, and discount amounts instantly.
Add or remove GST/VAT from any price with 5%, 12%, 18%, 28% tax slabs.
Calculate monthly EMI, total interest, and loan repayment breakdown instantly.