My online tools

• Calculatrice à pile
• Calendrier
• Finance:
  • APR – APY conversion
  • Buy/Sell: calculate the selling price to obtain a given gain
  • Compound Interest: compute and visualize interests, in compound mode or not
  • Interest: compute profit from amount and interest, and reciprocally
• txt2: common manipulations on text data
• Mixed radix: convert numbers between mixed radix

Other online tools

• Audio

  • AudioMass; Wavacity (Audacity)

• Conversion

  • CloudConvert – convert anything to anything; Convertio; HNET – The Home of Useful Online Tools; Modfy; Online converter
  • Convert CSV/Excel To JSON,XML,HTML,SQL,Flat File,KML,…; DevOtter – Free Tools for Developers: Universal Text Document Converter

• Document

  • AvePDF; CleverPDF; iLovePDF; Online PDF Converter (Conversion to Booklet); PDF Candy; Sejda – PDF;
  • Éditer les métadonnées, Organiser des PDF, Signer un PDF (24ème / Logiciels libres)
  • Sumnotes – Summarize PDF Annotations
  • DocSend: View ; Deck2PDF, Docsend2pdf
  • Markdown, reStructuredText, …
    • Markdown: Markdown Web Dingus (Daring Fireball: Markdown, Syntax); Dillinger; Editor.md; GitLab Markdown Viewer; # Markdown Editor; Markdown Live Preview; StackEdit;   (CommonMark: Spec; Atlassian Markdown syntax guide, Learn markdown in Y Minutes)
    • reStructuredText (RST, reST): Online reStructuredText editor   (Learn restructured text (RST) in Y Minutes, reStructuredText documentation, rst-cheatsheet)
    • NoTex.ch; pandoc – a universal document converter, online

• Image

  • • ASCIIFlow Infinity
    • AutoDraw
    • Diagram.drawio
  • Background Removal (Hugging Face); remove.bg – Remove Background
  • Cedar Lake Ventures:
    • Clipping Magic – Remove Background From Image
    • Vectorizer.AI – Trace Pixels To Vectors in Full Color
  • • Diffchecker (Image diff)
    • Editor – Diff and merge documents online
    • Online Image Diff
  • • Font Identifier
    • WhatTheFont
  • • Forensically
    • FotoForensics
    • MeVer – Image Verification Assistant
  • Graphite
  • Hex RGB Colour Converter
  • imgflip: Meme Generator (profile OPiMedia)
  • SVGOMG – Optimize and minify SVG images
  • Trangram – Create Motion Graphics
  • vectorizer.kiwi

• Video

  • Clipzag to download video and audio
  • DownSub; GenYoutube; savefrom.net
  • Get YouTube Video Thumbnail Image
  • Online Converter: Image to Video
  • sss [X/]Twitter video downloader
  • Youtube: Converter
  • youtube-dl, yt-dlp; Comment utiliser et maitriser Youtube-dl pour télécharger des vidéos comme un champion ? (Korben)

• Not categorized

  • 123apps
  • Calculatrice en ligne; Good Calculators; NumCalc.com – The Scientific Web Calculator;
  • Detexify – L^AT_EX handwritten symbol recognition; Shapecatcher – Draw the Unicode character you want!;
  • TypeIt: Type French accents, Type mathematical symbols, Type symbols;
  • unicodeit.net: convert L^AT_EX symbols to Unicode characters
  • ExtendsClass – Online Tools for IT professionals
  • Framalab de Framasoft
  • generatedata.com
  • HexEd; Hex-editor
  • IT Tools – Handy online tools for developers
  • Les outils de la La Quadrature du Net
  • mergely
  • Online Conversion: CHMOD Calculator
  • Online-Utility.org
  • PineTools: Online Syntax highlighter
  • Pastebin (profile OPiMedia)
  • RANDOM.ORG – True Random Number Service
  • Scribens – Corrigez l’orthographe et la grammaire;
  • Spell Check: Français;
  • TypoNerd
  • Tables Generator: L^AT_EX, HTML…
  • Time Calculator
  • Trello (profile opimedia); Developers: API Docs
  • VirusTotal
  • YayText – A text styling tool for Facebook, [X/]Twitter, etc.