Every tool on this site is permanently free — no credit card, no account, no strings attached.
Every Developer Tool
You'll Ever Need
A growing suite of 92+ powerful utilities — JSON formatter, Base64 encoder, Regex tester, and more. Completely free, runs in your browser, and zero data uploaded to any server.
Core Utilities
Essential building blocks every developer uses daily — JSON, encoding, URL tools and more.
JSON Formatter
Format, validate, and minify JSON data instantly.
Base64 Encoder/Decoder
Encode and decode strings or files to Base64 format.
Cron Generator
Generate and explain cron schedule expressions visually.
CSS Minifier
Compress CSS code to reduce file size and load times.
UUID Generator
Generate random UUIDv4 strings in bulk.
IP Lookup
Find your public IP and get detailed geolocation data.
User Agent Checker
Parse user agent strings into readable device data.
URL Encoder/Decoder
Safely encode and decode URL strings and parameters.
URL Parser
Deconstruct URLs to easily inspect protocol, host, paths, and query string parameters.
Data & Security
Cryptography, hashing, token parsing, and data format conversion for secure development.
JWT Decoder
Decode and inspect the payload of JSON Web Tokens instantly.
Bcrypt Generator
Generate and verify secure Bcrypt hashes for passwords instantly.
Hash Generator
Compute MD5, SHA-1, SHA-256, and SHA-512 hashes from input strings.
Password Generator
Generate highly secure, random passwords with custom parameters offline.
QR Code Generator
Generate and download custom QR codes from any text or URL.
JSON to CSV
Convert JSON arrays into downloadable CSV spreadsheet formats.
CSV to JSON
Parse CSV strings or files into valid JSON arrays instantly.
Number Base Converter
Convert numbers across Binary, Octal, Decimal, and Hexadecimal representations.
Image Tools
Convert formats, generate placeholders, and edit images entirely in your browser.
JPG to PNG
Convert JPG images to PNG format with transparency support.
PNG to JPG
Convert PNG images to JPG format with custom quality control.
WebP to JPG
Convert modern WebP images to widely supported JPG format.
JPG to WebP
Convert JPG images to modern WebP format for better compression.
WebP to PNG
Convert WebP images to PNG format for high-quality editing.
PNG to WebP
Convert PNG images to WebP format to reduce website load times.
Image to Base64
Convert any image file to a Base64 encoded string format.
Base64 to Image
Decode Base64 strings back into viewable and downloadable images.
Document Tools
Create, merge, and edit PDF documents and other common file formats.
Text to PDF
Convert plain text content into a professional PDF document.
Images to PDF
Combine multiple images into a single multi-page PDF file.
Markdown to PDF
Render GitHub Flavored Markdown directly into a PDF document.
HTML to PDF
Convert HTML snippets or code into a downloadable PDF format.
JSON to PDF
Generate a formatted PDF report from your JSON data.
CSV to PDF
Transform CSV spreadsheet data into a PDF table document.
PDF Merger
Combine multiple PDF files into one single document.
PDF Page Rotator
Rotate perspective or orientation of specific pages in a PDF.
PDF Page Remover
Delete unnecessary pages from your existing PDF files.
PDF Metadata Editor
View and edit PDF internal properties like Title and Author.
Writing & Content
Format, clean, and transform text for docs, social media, or code comments.
Markdown Previewer
Write and preview Github Flavored Markdown in real-time.
Fancy Font Generator
Convert normal text into fancy unicode fonts for social media profiles.
Text Case Converter
Convert strings between camelCase, snake_case, PascalCase, and more.
Word & Character Counter
Real-time counting metric for words, characters, and sentences in text blocks.
List Sorter
Instantly sort lists alphabetically, in reverse, or by character length.
Remove Line Breaks
Clean up messy text by stripping line breaks and combining paragraphs.
Bullet Point Generator
Quickly format text lists with custom bullet points, numbers, or dashes.
Find & Replace Text
Search and batch replace specific strings dynamically within a document.
Whitespace Remover
Trim trailing spaces and compress double spaces into a single space.
Miscellaneous
Color utilities, regex testing, and other handy miscellaneous tools.
Color Converter
Convert between HEX, RGB, HSL, and instantly preview colors.
Regex Tester
Test and debug Regular Expressions against custom string inputs.
Unix Timestamp Converter
Instantly convert Unix epoch timestamps to human-readable dates and back.
Reverse Text Generator
Reverse text backwards, flip word order, or reverse whole line strings.
Remove Duplicate Lines
Identify and eliminate duplicate entries from large text lists automatically.
Add Prefix & Suffix
Append targeted text strings to the beginning or end of every line.
Glitch Text Generator
Create creepy Zalgo distorted text effects using combining characters.
Audio Utilities
Convert, edit, and analyze audio files entirely in your browser with absolute privacy.
Audio to MP3
Convert any audio format to widely supported MP3 files for free.
Audio to WAV
Convert audio files to lossless WAV format for high-quality production.
Audio to OGG
Generate web-optimized OGG audio files for games and streaming.
Audio Cutter
Trim and cut audio files to your desired length with precision.
Volume Booster
Increase the volume of quiet audio files without quality loss.
Speed Changer
Adjust the playback speed of your audio tracks instantly.
Stereo to Mono
Downmix stereo audio tracks into a single mono channel.
Reverse Audio
Flip your audio tracks backwards for creative sound effects.
BPM Finder
Automatically detect the tempo (Beats Per Minute) of any song.
Audio to Base64
Convert audio files to Base64 strings for web development projects.
Video Utilities
Convert, edit, and analyze video files entirely in your browser with absolute privacy.
Video to WebM
Convert videos to optimized WebM format for web delivery.
Mute Video
Remove audio tracks from a video to create completely silent clips.
Extract Audio
Rip the audio track from a video and save it as a high-quality WAV file.
Extract Frames
Pull exact image frames from a video and download them as JPGs.
Video Downscaler
Reduce video resolution and compress file sizes for easier sharing.
Video Speed Changer
Speed up or slow down your video clips using custom playback rates.
Video Trimmer
Cut and trim the start and end of your video clips with ease.
Video Filters
Apply and render visual filters like grayscale, sepia, and blur into your videos.
Video to Base64
Convert small video files to Base64 strings for secure embed usage.
Video Metadata
Analyze video properties like resolution, duration, and frame rate.
Latest Guides & Fixes
View All ArticlesDiscover how to fix common developer errors and optimize your workflow.
Social & Print Resizer
Perfectly resize images for social media profiles, posts, and professional print standards.
Custom Image Resizer
Manually enter custom width and height to resize your images precisely.
YouTube Thumbnail
Resize images to 1280x720 for the perfect YouTube thumbnail.
YouTube Channel Art
Generate 2560x1440 images for YouTube banner backgrounds.
Instagram Post
Create perfectly square 1080x1080 images for Instagram feeds.
Instagram Portrait
Resize to 1080x1350 for high-impact Instagram portrait posts.
Instagram Story
Generate 1080x1920 images for full-screen Instagram stories.
Facebook Cover
Resize images to 820x312 for optimized Facebook profile headers.
Facebook Post
Create standard 1200x630 images for Facebook feed sharing.
Twitter Header
Generate 1500x500 panoramic images for Twitter profiles.
Twitter Post
Resize images to 1200x675 for optimal Twitter feed visibility.
LinkedIn Cover
Professional 1584x396 header generation for LinkedIn profiles.
LinkedIn Post
Resize to 1200x627 for formal LinkedIn professional updates.
TikTok Frame
Generate 1080x1920 vertical frames for TikTok content.
Pinterest Pin
Create 1000x1500 vertical images optimized for Pinterest discovery.
Favicon Generator
Generate 32x32 pixel perfect icons for website favicons.
Android App Icon
Resize images to 512x512 for Android application stores.
iOS App Icon
High-resolution 1024x1024 resizing for Apple App Store icons.
A4 Resizer
Convert images to 2480x3508 for standard A4 printing.
Letter Resizer
Resize to 2550x3300 for US Letter document standards.
Poster Small
Generate 3300x5100 images for 11x17 inch small poster prints.
Poster Medium
Resize to 5400x7200 for 18x24 inch medium poster quality.