Free Developer Tools
Simple, fast tools for everyday development tasks. No sign-up required.
JSON Formatter
Format, validate, and minify JSON data. Paste your JSON and get clean, readable output.
Base64 Encoder/Decoder
Encode text to Base64 or decode Base64 back to text. Useful for data URIs, API tokens, and more.
Color Converter
Convert colors between HEX, RGB, and HSL formats. Preview colors in real-time.
CSS Unit Converter
Convert between px, rem, em, %, pt, vw, and vh. Change one value and all others update instantly.
CSS Gradient Generator
Create beautiful CSS gradients with a visual editor. Linear, radial, and conic gradients with preset gallery.
Box Shadow Generator
Design CSS box shadows visually with live preview. Adjust offset, blur, spread, color, and inset.
Meta Tag Generator
Generate HTML meta tags for SEO, Open Graph, and Twitter Cards. Preview how your page appears in search results.
OG / Social Preview
Preview how your page appears on Twitter, Facebook, and Google. Paste your HTML head to validate OG tags.
Email HTML Preview
Preview HTML emails in simulated Gmail, Outlook, and Apple Mail frames. Check for compatibility issues.
Image Converter
Convert images between PNG, JPEG, and WebP. Resize, adjust quality, and download. All processing happens in your browser.
Audio Extractor
Extract audio from video files. Upload MP4, WebM, or MOV and download as M4A, WebM, OGG, or WAV.
QR Code Generator
Generate customizable QR codes for URLs, text, email, phone, and WiFi. Download as PNG or SVG.
Image Showcase
Create beautiful image presentations with gradient backgrounds, device frames, and shadows. Like shots.so but free.
Background Remover
Remove backgrounds from images using color-based detection. Auto-detect or pick a color to remove. Export as PNG or WebP.
Image Crop
Crop images to any size or aspect ratio. Freeform, preset ratios, and social media sizes. All in your browser.
Image Filters
Apply photo filters and adjustments. Grayscale, sepia, vintage, vivid, and more. Fine-tune brightness, contrast, and saturation.
JWT Decoder
Decode and inspect JSON Web Tokens. View header, payload, claims, and expiration status instantly.
RegEx Tester
Test and debug regular expressions with real-time match highlighting. Supports flags, capture groups, and common presets.
Code Diff Checker
Compare two blocks of text or code side by side. See additions, deletions, and changes highlighted in green and red.
Markdown Editor
Write and preview Markdown with a full-featured editor. GitHub-flavored Markdown, toolbar shortcuts, and live HTML preview.
File Compressor
Compress images, PDFs, documents, ZIP archives, and code files in your browser with before/after comparison.
Image Resize
Resize images by dragging handles or entering exact dimensions. Aspect ratio lock, percentage scaling, and social media presets.
Video Trim
Trim videos directly in your browser. Visual timeline, precise start/end controls, preview your clip, and download — no upload required.
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