Leakless
On-device secret redaction

Scrub secrets before you paste.

Paste a production log, stack trace, API response, or .env snippet. Leakless finds every secret and PII token locally — then gives you a safe-to-share version for Slack, Jira, GitHub, or an AI chat.

Add to Chrome — free No account  ·  No upload  ·  Everything runs on your device
What Leakless does to your text
raw-log.txt UNSAFE
1AWS_ACCESS_KEY_ID=AKIAIOSFODNN7EXAMPLE
2AWS_SECRET_ACCESS_KEY=wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY
3INFO POST /api/data 200 14ms
4Authorization: Bearer eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiJ1c2VyXzEyMyJ9.sig
5notify user=alice@example.com status=ok
redacted.txt SAFE TO SHARE
1AWS_ACCESS_KEY_ID=[AWS_KEY_1]
2AWS_SECRET_ACCESS_KEY=[AWS_SECRET_1]
3INFO POST /api/data 200 14ms
4Authorization: Bearer [BEARER_1]
5notify user=[EMAIL_1] status=ok

All detection and masking runs locally in your browser — nothing in this demo leaves your device. Pro adds reversible tokenization so [BEARER_1] can be restored by you, in private.

Paste · Redact · Share safely

Three steps, zero network calls. Everything stays between you and your browser.

01 — PASTE OR SELECT

Drop in your text

Open the Leakless popup and paste a log, trace, or response — or right-click selected text anywhere on the page and choose Copy redacted.

02 — DETECT LOCALLY

Secrets and PII found

Leakless runs 20+ detection patterns entirely on your device. AWS keys, tokens, JWTs, emails, credit cards — each match is labeled and highlighted.

03 — COPY THE SAFE VERSION

Share without second-guessing

One click copies the redacted text to your clipboard. Paste it into Slack, Jira, GitHub, or an AI chat — review before sharing; Leakless reduces risk, not eliminates it.

What Leakless catches

20+ pattern families covering cloud credentials, auth tokens, PII, and high-entropy secrets.

Cloud keys
AWS access + secret keys, GCP service-account credentials
API tokens
GitHub PATs, Slack tokens, Stripe keys, OpenAI keys, Google OAuth
Auth tokens
JWTs, Bearer tokens, URL-embedded credentials
Private keys
RSA / EC private keys, PEM blocks, SSH private keys
Env secrets
SECRET_* / KEY_* / TOKEN_* assignments in .env files
PII
Email addresses, IPv4/IPv6, Luhn-valid credit cards, phone numbers
High-entropy strings
Generic secrets that look random enough to be credentials
HAR / JSON shape
Pro: structure-aware redaction keeps JSON/HAR valid after masking

Simple, one-time pricing

Full detection is free. Pro unlocks power features for a single payment — no subscription.

Free
$0
  • Popup paste + right-click "Copy redacted"
  • Full detection ruleset (20+ families)
  • Label mode and mask mode
  • No account, no upload
Add to Chrome
Pro — One-time
$17one time
  • Reversible tokenization — restore originals in private
  • Structure-aware redaction (JSON, HAR, .env keep shape)
  • Custom detection rules
  • Batch / file drop
  • Safe-domain allowlist
  • All free features included
Get Pro — $17

100% on-device — no upload, no account

Nothing you paste into Leakless is ever sent to a server. Detection runs in your browser using bundled patterns — there is no cloud API, no ML model download, and no telemetry. The only network request Leakless makes is to LemonSqueezy's license API when you choose to activate a Pro key — that request contains your license key only, never your text.