Fast by default
Tools run right in your browser: no uploads, no queues, no installs. Open a page and the work is done.
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Popular tools
PDF Compression
PDF Tools
Compress, unlock and watermark PDF files in private batches.
Popular PDF
PDF to Word Converter
PDF Tools
Convert text-based or scanned PDFs to editable DOCX or Word-compatible DOC files privately in your browser.
New PDF to DOCX
PDF to PNG Converter
PDF Tools
Convert every page of a PDF into a clear PNG image privately in your browser.
New PDF to PNG
Image Conversion
Image Tools
Convert between PNG, JPG, WebP, AVIF and GIF in a couple of clicks.
Popular PNG / JPG / WebP
Audio Normalizer
Audio Tools
Bring recordings to a consistent listening level and compare the original with the result before downloading.
New MP3 / WAV / M4A
SVG to PNG
Image Tools
Convert SVG graphics to sharp PNG images with custom dimensions and backgrounds.
New SVG to PNG
PDF Merge
PDF Tools
Combine PDF files in the order you choose, privately on your device.
New PDF
Image Compression
Image Tools
Compress images in batches with quality, target size, resizing and visual comparison controls.
New JPG / PNG / WebP
Color Picker
Developer Tools
Pick, convert, copy and compare colors with accessible contrast checks, harmonies and private palette history.
New HEX / RGB / HSL
Markdown Viewer
Developer Tools
Open, preview, edit and save Markdown files privately in a full browser workspace.
BETA .MD
Unit Converter
Unit Tools
Convert 1,000+ units across 47 categories with fast, private, instant results.
New 1,000+ units
Excel Formula Builder
Calculator Tools
Build reliable Excel formulas from guided recipes and download a ready-to-use example workbook.
New XLSX
Game Damage Calculator
Calculator Tools
Build custom game damage formulas with your own stats, conditions, presets and outputs, then save them privately on your device.
New RPG / Math
Etsy Profit Calculator
Calculator Tools
Estimate Etsy profit across fees, ads, labor, shipping, overhead and imported active listings.
New CSV import
Popular Unit Conversions
View all unit conversionsBrowse by category
PDF Tools
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Image Tools
3 tools
Audio Tools
1 tool
Unit Tools
1 tool
Calculator Tools
3 tools
Developer Tools
2 tools
Why I built aliy.in
Private by design
Your tool files and results stay on your device. aliy.in does not send them to its servers or advertising partners. What you make stays yours.
Free for good
Everything here is free, and the core tools always will be. If aliy.in helps you, a small tip helps keep it running.
Frequently asked questions
aliy.in is a collection of fast, free utilities that run directly in your browser—including PDF tools, image converters, calculators, and developer utilities. You can use everything immediately without signing up, subscribing, or installing any software.
No. All processing happens in your browser's temporary session memory. As soon as you close or refresh the tab, all files and results are cleared immediately without a trace.
You can share feedback, report an issue, or suggest a new tool idea via the contact links or GitHub on the About page. Your input helps improve and grow the site.
Yes. All tools are designed and optimized to run smoothly across smartphones, tablets, laptops, and desktop computers in any modern browser.
Because processing runs entirely on your device rather than a remote server queue, limits depend on your device's available memory. Standard everyday documents and photos process quickly and reliably.