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Header Override vs Todowing

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Header Override compared with Todowing
DetailHeader Override logo Header OverrideTodowing logo Todowing
What it doesOpen-source browser extension to modify HTTP request and response headers and cookies Nested sub-tasks and productivity upgrades for Todoist
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelOpen source Freemium
PricingNot given Free tier with basic nesting features limited to 5 sub-task rows per task; Lifetime unlock at $19.99 one-time payment removes limits and adds editing, focus sessions, font picker, notes pad, and Apple Calendar integration.
Key features
  • Modify request and response headers with a focused editor interface
  • Scope rules to specific URLs using browser-supported filter patterns
  • Customize response cookies with Domain, Path, SameSite, Lifetime, Max-Age, and Secure attributes
  • Create up to five local rule profiles for different projects and test setups
  • Import and export profiles as local JSON files between browsers
  • Enable, disable, delete, and annotate rules with comments
  • Support for Chrome, Edge, and Firefox
  • All rules stored locally in browser with no server transmission
  • Nested sub-task trees displayed inline in Today, Upcoming, Filters, Labels and Boards views
  • Each sub-task row shows due date, priority and labels
  • Complete sub-tasks without opening the task
  • Focus timer with time estimates for tasks
  • Seven color palettes for Todoist theme customization
  • Choice of fifty Google Fonts for Todoist display
  • Text size adjustment from 85% to 200%
  • File tasks under parents in other projects
  • Apple Calendar integration in Today view
  • Notes pad for items that aren't tasks
What makes it different
  • Open-source with MIT License and full transparency
  • Rules stored entirely locally with no analytics, tracking, or external servers
  • Lightweight alternative to ModHeader
  • URL scoping prevents rules from affecting unintended websites
  • Simple interface requires no coding knowledge
  • One-time payment with lifetime access and all future upgrades included
  • Sub-tasks nested inline in views where Todoist shows them flat
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)8 no change since last check13 no change since last check
Trust Flow (Majestic)35
Citation Flow (Majestic)1818
Referring domains (Majestic)1319

4 details filled in for both companies.

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