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Chart VS PixKeep.app

Compare Chart VS PixKeep.app and see what are their differences

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Chart logo Chart

Create the most popular types of charts by real or random data - GitHub - pavelkuligin/chart: Create the most popular types of charts by real or random data

PixKeep.app logo PixKeep.app

PixKeep — 27 browser-based image converters across 7 formats (HEIC, AVIF, WebP, TIFF, PNG, JPG, PDF), 6 editors, and 8 ready-to-use scenes including a passport photo maker. Works offline. Files never leave your device.
  • Chart Landing page
    Landing page //
    2022-11-06
  • PixKeep.app Homepage — offline-ready, privacy-first image tools
    Homepage — offline-ready, privacy-first image tools //
    2026-08-24
  • PixKeep.app HEIC to JPG converter — iPhone photos converted in browser
    HEIC to JPG converter — iPhone photos converted in browser //
    2026-08-24
  • PixKeep.app Image Compressor — 5.34 MB to 2.23 MB (-58%)
    Image Compressor — 5.34 MB to 2.23 MB (-58%) //
    2026-08-24
  • PixKeep.app Image Compare — split / side-by-side / diff views with DSSIM score
    Image Compare — split / side-by-side / diff views with DSSIM score //
    2026-08-24

PixKeep is a free suite of privacy-first image tools that runs entirely in your browser — no uploads, no servers, works offline once loaded.

27 format converters across 7 formats (HEIC, AVIF, WebP, TIFF, PNG, JPG, PDF) plus GIF output: • HEIC → JPG / PNG / PDF / TIFF / AVIF / WebP (iPhone photos to universal formats) • AVIF → JPG / PNG • WebP → JPG / PNG / GIF (animation) / PDF • TIFF → JPG / PNG / PDF • PNG → JPG / WebP / AVIF / TIFF / PDF • JPG → PNG / WebP / AVIF / PDF • PDF → JPG / PNG / TIFF (document workflow)

6 image editors: • Compressor — reduce file size with built-in visual comparison (split / side-by-side / diff views), DSSIM-backed quality mapping • Compare — split / side-by-side / diff views for two images • Resizer — exact dimensions for web, email, and social media • Cropper — preset aspect ratios for popular platforms • Rotate + Flip — orientation fixes with EXIF correction

8 ready-to-use scenes: • Instagram Post, YouTube Thumbnail, LinkedIn Cover, Email Attachment • Discord Emoji, Discord Profile Picture, Discord Banner • Passport Photo Maker — 300 DPI, India & US sizes, print-ready sheets

Key differentiators: • Works completely offline — once loaded, all tools function without internet • Zero file uploads — your images never leave your device • 100% free — no sign-up, no account, no watermark • Batch process up to 10 files in parallel • Available in 5 languages (EN / DE / ES / VI / zh-TW)

Chart features and specs

No features have been listed yet.

PixKeep.app features and specs

  • Local processing
    Files never leave your device — all processing runs in the browser
  • Format converters
    27 tools across HEIC, AVIF, WebP, TIFF, PNG, JPG, PDF (+ GIF output)
  • Image editors
    Compress, compare, resize, crop, rotate, flip
  • Visual comparison
    Split / side-by-side / diff views + pixel-level diff heatmap with DSSIM score
  • Ready-made scenes
    Instagram, YouTube, LinkedIn, Discord, email attachments
  • Passport photo maker
    300 DPI, India & US sizes, print-sheet layouts
  • Offline Mode
    All tools function without internet once loaded (PWA)
  • Batch processing
    Up to 10 files in parallel
  • No sign-up
    Free, no account, no watermark
  • Languages
    English, German, Spanish, Vietnamese, Traditional Chinese

Analysis of PixKeep.app

Overall verdict

  • I don't have verified, up-to-date information about PixKeep.app specifically, so I can't confirm its quality, safety, or reliability. Before using it, research its reputation, check reviews, verify how it handles your data/privacy, and test with non-sensitive files first.

Why this product is good

  • I lack reliable, current data on this specific service to make a genuine assessment
  • Unable to verify its features, pricing, security practices, or user satisfaction
  • Cannot confirm if it is legitimate, actively maintained, or trustworthy with your files

Recommended for

  • Users willing to do independent research (check reviews, look up the company, verify security certificates) before trusting it with any files
  • Not recommended for storing sensitive or irreplaceable data until you have verified its legitimacy and security practices
  • Consider well-established alternatives with proven track records for important file storage needs

Chart videos

+ Add

Retrospective Chart Review Research: Get it Right to Get it Published #1

More videos:

  • Review - Chart Reviews for Independent Healthcare Practices
  • Review - Medical Chart Review Made Easy

PixKeep.app videos

No PixKeep.app videos yet. You could help us improve this page by suggesting one.

Add video

Category Popularity

0-100% (relative to Chart and PixKeep.app)

Chart

PixKeep.app

Data Visualization
100 100%
Data Visualization
0% 0
File Conversion
0 0%
File Conversion
100% 100
Data Dashboard
100 100%
Data Dashboard
0% 0
Image Editing
0 0%
Image Editing
100% 100

Questions & Answers

As answered by people managing Chart and PixKeep.app.

What makes your product unique?

PixKeep.app's answer:

All image processing happens 100% in your browser — files never leave your device, and every tool works offline once loaded. PixKeep also has a built-in visual comparison tool: split / side-by-side / diff views with a pixel-level diff heatmap and a DSSIM score, so you can see exactly what compression or conversion changed before you save.

Why should a person choose your product over its competitors?

PixKeep.app's answer:

  • No uploads: conversion happens on your device — no queue, no server-imposed file caps, no privacy risk
  • No account, no sign-up, no watermark — 100% free
  • Works offline once loaded (PWA)
  • Visual quality check: split / side-by-side / diff comparison with DSSIM score before saving
  • Beyond conversion: compress, resize, crop, rotate, flip, compare — plus ready-made scenes and a passport photo maker with 300 DPI print sheets

How would you describe the primary audience of your product?

PixKeep.app's answer:

iPhone users converting HEIC photos to universal formats, visa and passport applicants preparing compliant photos, social media creators sizing images for Instagram/YouTube/LinkedIn/Discord, and privacy-conscious users who don't want their photos on someone else's server.

What's the story behind your product?

PixKeep.app's answer:

PixKeep started as a side project by a developer with 10+ years image/video processing experience. The motivation: popular image converters upload your photos to a server, add queues, watermarks and file limits — while modern browsers can do all of it locally. PixKeep proves a browser-only toolkit can be faster, free, and private by default, with zero server costs keeping it sustainable as a free product.

Which are the primary technologies used for building your product?

PixKeep.app's answer:

  • Astro (static site generation) + TypeScript
  • Browser Canvas API and WebCodecs
  • WASM codecs: MozJPEG, WebP, AVIF, OxiPNG
  • heic2any (HEIC), UTIF.js (TIFF), pdf.js + jsPDF (PDF), gif.js (GIF), Cropper.js
  • Service Worker (offline PWA)
  • Hosted on Cloudflare Pages

Who are some of the biggest customers of your product?

PixKeep.app's answer:

  • PixKeep is free and account-free — we don't track users by design
  • Typical users: iPhone owners converting HEIC photos, passport/visa applicants, social media creators, and anyone who prefers not to upload personal photos to a server

User comments

Share your experience with using Chart and PixKeep.app. For example, how are they different and which one is better?
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What are some alternatives?

When comparing Chart and PixKeep.app, you can also consider the following products

Google Charts - Interactive charts for browsers and mobile devices.

CloudConvert - convert anything to anything - more than 200 different audio, video, document, ebook, archive, image, spreadsheet and presentation formats supported.

Plot Agents - Plot Agents - Transform your data into stunning charts instantly. No coding required. Create 200+ types of charts with AI-powered tools.

PixHeic - Convert HEIC to JPG entirely inside your browser. No uploads, no servers, no limits.

Highcharts - A charting library written in pure JavaScript, offering an easy way of adding interactive charts to your web site or web application

iLoveIMG - iLoveIMG is one of most powerful solution that comes with all the major tool you cloud want to edit images in bulk.

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