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A free browser tool that formats LinkedIn posts with bold, italic, underline and Unicode font styles, since LinkedIn's own editor has no native formatting options.
FreeNo sign-upWorks offline
What to know▼
How it works
Select text in the editor to apply bold, italic, underline or 20+ Unicode font styles, see a live feed preview, then copy the formatted text with one click.
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Finds who unfollowed you or doesn't follow you back on Instagram and Threads by processing your data export locally in the browser, instead of requiring your account password.
No sign-up
What to know▼
How it works
You upload your Instagram/Threads data export and it's processed locally in the browser, with no password needed.
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Generates a free lock-screen wallpaper with your LinkedIn QR code built in, so people can scan and connect at events without you opening the LinkedIn app.
FreeNo sign-up
What to know▼
How it works
Generates a custom lock-screen wallpaper with your LinkedIn QR code embedded, from just your LinkedIn username.
What's different
Skips unlocking and opening the LinkedIn app to find your QR code — it's already on your lock screen.
Pricing
Free, no signup, six themes.
Best for
People networking at events, demo days or conferences who want to connect on LinkedIn quickly.
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Free local Chrome extension that hides promoted/suggested posts and AI-generated content on LinkedIn, X and YouTube.
Watch out · Chrome extension only.
FreeNo sign-upWorks offline
What to know▼
How it works
Hides promoted and suggested posts, blocks user-chosen keywords, and lets you 'Rest from AI' on a timer that hides AI content and brings it back automatically.
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Checks grammar and rewrites text right inside Gmail, LinkedIn, X and Reddit, using a Gemini API key you provide yourself, free and open source, no subscription.
FreeNo sign-upOpen source
What to know▼
How it works
Checks grammar and rewrites text inline on any website — Gmail, LinkedIn, X, Reddit — using your own free Google Gemini API key.
What's different
Free and open source, and runs on a Gemini key you supply yourself instead of a paid subscription.
Pricing
Free, no account or subscription.
Best for
People who want a Grammarly-style writing checker without paying for a subscription or handing over data to a third-party service.
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Free weekly social media content calendar/ops board scheduling research, posts and networking blocks for X, LinkedIn and Reddit.
FreeNo sign-up
What to know▼
How it works
Pick your platforms (X, LinkedIn, Reddit) and a pace (L1-L3) to get an interactive weekly calendar with timed blocks for research, replies, posts, threads, and networking, scheduled around audience peak windows.
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Free, no-signup tool that scores a LinkedIn-style headshot on traits like approachability and trust, for anyone wanting quick feedback on their profile photo.
Watch out · Photo is deleted immediately after scoring.
FreeNo sign-up
What to know▼
How it works
You upload a professional or LinkedIn headshot and get a score out of 100 across six traits — approachability, competence, trust, confidence, likeability, leadership — plus improvement tips, in about 10 seconds.
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A browser tool that rewrites text in place across Gmail, LinkedIn, Slack, and other fields in your chosen tone.
Watch out · Supports 30+ languages; privacy-first processing.
FreeNo sign-upData stays with you
What to know▼
How it works
Adds a click-to-rewrite AI button inside text fields you already use — Gmail, LinkedIn, Slack, job applications — letting you pick from 10 tones and get polished text in place.
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Turns meeting, podcast, and video audio into structured summaries, action items, and shareable image cards, with audio processed locally and no signup needed for the free tier.
No sign-upData stays with youCan export my data
What to know▼
How it works
Distills meetings, podcasts, and videos into structured summaries, action items, outlines, and speaker breakdowns, and can export the summary as a shareable gradient image card.
What's different
Strips audio locally in the browser before processing, so video isn't fully uploaded to a server.
Pricing
Free tier with no sign-up required; premium features for $1.99.
Best for
People who want to turn meeting or podcast recordings into shareable summaries without a heavy upload step.
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A free, no-signup JVM thread dump analyzer that detects deadlocks, thread leaks, pool exhaustion, and virtual-thread pinning, with a plain-language root-cause explanation.
FreeNo sign-up
What to know▼
How it works
Reads HotSpot, OpenJ9, Zing, and GraalVM thread dumps and produces an A-F health score with detected issues, explained by an assistant called Vein.
Pricing
Free, no signup.
Best for
Developers diagnosing JVM performance or concurrency issues from a thread dump.
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A set of free tools for YouTube creators and marketers to audit channels, generate video ideas and descriptions, find channel IDs, and check name availability, mostly without login.
FreeNo sign-up
What to know▼
How it works
Provides separate free tools for YouTube channel auditing, idea/description generation, channel ID lookup, and name-availability checks.
