Mainline Next.js template
Mainline is an open-source website template built with shadcn/ui, Tailwind 4 & Next.js
Tailored workflows
Track progress across custom issue flows for your team.
Cross-team projects
Collaborate across teams and departments.
Milestones
Break projects down into concrete phases.
Progress insights
Track scope, velocity, and progress over time.

Pick a tool. Drop your files.
Compress images, clean CSVs, rename files — all in your browser. No upload limits, no account required.
Clean CSV
Remove empty rows, trim whitespace, deduplicate CSV data. Free, no signup.
Compress Images
Compress PNG, JPEG, and WebP images instantly in your browser. No upload limits, no signup.
Convert Image Format
Convert between PNG, JPEG, WebP, and GIF formats instantly. Free, no signup.
Rename CSV Columns
Rename CSV column headers in bulk. Free, no signup required.
Rename Files
Batch rename files with patterns. Free, no signup required.
Resize Images
Resize images to exact dimensions or percentages. Free, no signup required.
Made for modern product teams
Mainline is built on the habits that make the best product teams successful: staying focused, moving quickly, and always aiming for high-quality work.
Mainline your resource allocation and execution
Reusable issue templates.
Draft lightning-fast documents with our Smart Instructions and Templates.
Simplify your stack.
No more Confluence, SharePoint, or Microsoft Word.Graveyard it.
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Task discussions.
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Notifications.
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Trusted by product builders
Mainline is built on the habits that make the best product teams successful: staying focused, moving quickly, and always aiming for high-quality work.

We're misusing Mainline as a CRM and it still works!

I was able to replace 80% of my team with Mainline bots.

Founder Mode is hard enough without having a really nice PM app.

I can use the tool as a substitute from my PM.

We're misusing Mainline as a CRM and it still works!

I was able to replace 80% of my team with Mainline bots.

Founder Mode is hard enough without having a really nice PM app.

I can use the tool as a substitute from my PM.
Pricing
Use Mainline for free with your whole team. Upgrade to enable unlimited issues, enhanced security controls, and additional features.
Free
Startup
Enterprise
Got Questions?
If you can't find what you're looking for, get in touch.