CHAMMILION Tools
Zero-bloat utilities: calculators, converters, and developer tools running at local machine speed.
Compound Interest Calculator
Build real-time financial projections, edit contributions directly on the chart, and see how each decision changes the future.
Watermark PDF
Edit text or images over real pages with smart placement by format and a local batch.
Split PDFs
Split PDF batches by range, individual page, or chunks and download the results as ZIP.
PDF to Images
Convert PDF pages to local PNG or JPEG images in batches with ZIP download.
Image Resizer
Resize image batches by pixels, percentage, or maximum limits. Adjust aspect ratio, framing, and output format.
Rule of Three Calculator
Calculate direct and inverse proportions for price, quantity, time, distance, and percentages.
JSON Formatter
Format, validate, and minify JSON to review API responses, configuration files, and integrations.
Popular
The most-used utilities in the ecosystem.
Compound Interest Calculator
Build real-time financial projections, edit contributions directly on the chart, and see how each decision changes the future.
Watermark PDF
Edit text or images over real pages with smart placement by format and a local batch.
Split PDFs
Split PDF batches by range, individual page, or chunks and download the results as ZIP.
PDF to Images
Convert PDF pages to local PNG or JPEG images in batches with ZIP download.
Images to PDF
Turn images into a local PDF, reorder pages, and download the final file.
Rotate PDFs
Rotate PDF pages in batches, all pages or selected ranges, locally in your browser.
Remove PDF Pages
Open PDFs, remove individual pages visually, and process batches locally.
Extract PDF Pages
Select pages visually, use presets, and create organized PDF copies in batches.
Number PDF Pages
Add visual page numbering in batches with custom placement, start, and text.
Merge PDFs
Organize documents and pages visually to create one PDF locally.
Compress PDFs
Reduce PDF batches locally with quality profiles, size comparison and ZIP download.
Speed Test
Test internet speed, ping, download, and upload directly in your browser.
GIF maker
Create GIFs from images or short video with a frame queue and local quality controls.
Image vectorizer
Vectorize batches of logos, icons, and illustrations into editable SVG with palette and ZIP export.
Image converter
Convert batches of photos, artwork, and icons into formats for your destination.
Video converter
Convert video batches to MP4, WebM, MOV, MKV, AVI, MPEG, OGV, or animated GIF.
Audio converter
Convert audio or extract video sound to MP3, WAV, M4A, AAC, OGG, Opus, or FLAC.
Text converter
Convert and organize TXT, Markdown, JSON, CSV, TSV, HTML, XML, YAML, TOML, and INI files.


Background Remover
Remove backgrounds from people, products, and objects with an adjustable mask. Use BiRefNet Lite for varied objects and export transparent PNG or WebP.


AI Upscaler
Enlarge photos, illustrations, and anime with AI models, before-and-after comparison, and batch processing.


Image Compressor
Reduce the size of photos, graphics, and images with visual comparison, adjustable quality, and batch processing.


Image Resizer
Resize image batches by pixels, percentage, or maximum limits. Adjust aspect ratio, framing, and output format.
Rule of Three Calculator
Calculate direct and inverse proportions for price, quantity, time, distance, and percentages.
Calculators
Mathematical, financial, and scientific tools.
Rule of Three Calculator
Calculate direct and inverse proportions for price, quantity, time, distance, and percentages.
Converters & Media
Browser-based audio, video, and image conversion.
GIF maker
Create GIFs from images or short video with a frame queue and local quality controls.
Image converter
Convert batches of photos, artwork, and icons into formats for your destination.
Video converter
Convert video batches to MP4, WebM, MOV, MKV, AVI, MPEG, OGV, or animated GIF.
Audio converter
Convert audio or extract video sound to MP3, WAV, M4A, AAC, OGG, Opus, or FLAC.


Background Remover
Remove backgrounds from people, products, and objects with an adjustable mask. Use BiRefNet Lite for varied objects and export transparent PNG or WebP.


AI Upscaler
Enlarge photos, illustrations, and anime with AI models, before-and-after comparison, and batch processing.


AI Denoiser
Remove noise and grain with local models while preserving the original size.


AI Deblurrer
Try to recover motion-blurred photos with local AI models.


AI Artifact Cleaner
Clean JPEG and H.264 blocks, ringing, and compression artifacts locally.


AI Atmosphere Cleaner
Reduce haze, smoke, and rain in photographs using local AI.


AI Photo Restore
Restore dark, faded, or mildly degraded photos with local models.


AI Anime Enhancer
Enlarge anime, manga, line art, and illustrations with specialized local models.


Image Compressor
Reduce the size of photos, graphics, and images with visual comparison, adjustable quality, and batch processing.


Image Resizer
Resize image batches by pixels, percentage, or maximum limits. Adjust aspect ratio, framing, and output format.
Development
Developer utilities for data and syntax.
Speed Test
Test internet speed, ping, download, and upload directly in your browser.
Text converter
Convert and organize TXT, Markdown, JSON, CSV, TSV, HTML, XML, YAML, TOML, and INI files.
JSON Formatter
Format, validate, and minify JSON to review API responses, configuration files, and integrations.
Design & UI
Color, gradient, and palette tools.
Image vectorizer
Vectorize batches of logos, icons, and illustrations into editable SVG with palette and ZIP export.
Finance & LTV
Interest calculations, metrics, and projections.
Compound Interest Calculator
Build real-time financial projections, edit contributions directly on the chart, and see how each decision changes the future.